▷ 5 Best Water Thermometers for Fishing (Must Read Reviews)

Top Fishing Water Thermometers Reviewed and Compared

If you are interested in getting the best water thermometer for fishing, look no further, as we have the answer to all your questions. Our researchers focused on finding the number one model that checked all the boxes from an angler’s point of view and discovered the SAMSFX Fly Fishing Thermometer Streamside, a product with multiple features and benefits. It can measure the water temperature in both Fahrenheit and Celsius, and its range goes from 20F to 120F, which is between -10C and 50C. Housed by a plating copper case, the thermometer is not prone to suffering any damage, and it behaves well in any circumstances. You will get a velvet pouch sleeve for carrying the thermometer around and keeping it in top-notch shape. If you can’t find this product anymore, we recommend the Fishpond Swift Current as an immediate alternative that is almost just as good.

5 Best Fishing Water Thermometers (Reviews) in 2020

Whether you’re looking for the best salt water thermometer or one you can use in freshwater, you may want to have a look at our selection. The best products in this category are showcased below, and we made sure that we went through the owner feedback so that these units are well worth the price.

1. SAMSFX Fly Fishing Thermometer Streamside 

Fly fishing is regarded an art form in and of itself, and with good reason. Depending on the temperature, the fickle fish can either hide, become dormant, or become extremely active. Knowing where to hunt for these erratic fish is the mark of an experienced angler. If, on the other hand, you don’t have a lifetime to devote to learning such talents, you should consider purchasing this thermometer from SAMSFX.

With a temperature range of 20 degrees Fahrenheit to 120 degrees Fahrenheit (-10 degrees Celsius to 50 degrees Celsius), it is an excellent choice for fishing in any weather situation. Because water temperature does not follow the same pattern as air temperature, you can rely on the latter to provide an accurate assessment of fishing conditions.

This thermometer will provide you with extremely accurate readings of the water temperature, helping you to locate the elusive schools of fish hiding beneath the surface. In addition, the stainless steel ring will show no indications of wear and tear due to the housing’s tough plated copper construction. You can attach it to your clothes or backpack using the pocket clip and lanyard ring.


This water thermometer is a must-have item that you will be able to take with you wherever you go fishing because it is lightweight and highly portable.

It is made with a copper housing and cap, and it is clearly intended to last for a long time, so you can be confident that you are making a wise investment if you purchase it.

You will receive a velvet pouch sleeve with your order, which will allow you to carry the thermometer in your backpack without worrying about it breaking or becoming damaged.

In both Fahrenheit and Celsius, the thermometer can display the water temperature, and its temperature range is 20F to 120F, or -10C to 50C, which covers any weather situations that may be encountered.

Its lanyard ring cap ensures that it will never be misplaced by mistake again.


This thermometer is well-known for its sensitivity, which can be considered a bonus until you pull it out of the water and place it in the warm air, at which point you will observe that the reading immediately begins to rise.

Buy from for ($16.99)

2. Fishpond Swift Current Thermometer, Gunmetal

This Fishpond model is one of the most critically acclaimed units in the line, with many fishermen raving about its capabilities. It’s designed to last through the years as it has been encased in rugged aluminum, which makes it possible for the thermometer to be protected against accidents. (and it will perfectly fit in your tackle box)

It’s heartening to know that this model comes with the added feature of a lanyard attachment cap, which may come in handy for people who have a tendency to lose track of small items, such as thermometers for fishing. This gadget, like many others on the market, can monitor the temperature of water in both Celsius and Fahrenheit, just like the others. You should be fine in temperatures ranging from 20 to 120 degrees Fahrenheit (-10 to 50 degrees Celsius).

The style is distinctive, which may be important considering that this product is available in two color options: gun metal and blue. For safety reasons, it may be necessary to choose a color that will stand out from the rest of your gear in order to avoid losing sight of your thermometer.

Despite the fact that the Fishpond Swift Current costs several hundred dollars more than comparable units, we have seen that the majority of owner comments on the product has been positive. Thus, you will receive excellent value for your money, and the thermometer will still be less than twenty bucks at the end of the day.


This fishing thermometer will provide you with accurate measurements of the water temperature, allowing you to rapidly detect the direction in which schools of fish are moving.

The device is protected by an aluminum housing, which ensures that you will not be able to break it easily and also helps to extend its lifespan.

The lanyard that has been attached to it makes it simple to carry around without the fear of losing it accidentally.

In addition, the temperature scale is easy to read, which eliminates the guesswork that frequently accompanies the efforts of any angler when fishing.

The thermometer can measure water temperatures ranging from 20 to 120 degrees Fahrenheit, or -10 to 50 degrees Celsius.


You will need to wait several minutes, at the very least, to acquire a clear reading and allow the thermometer to stable correctly, so make sure you have plenty of patience.

According to the manufacturer, the reported measurements are incorrect, and the company could have done a better job giving more accurate information.

Buy from for ($18.95)

3. Andux Fly Fishing Accessories Thermometer Stream

If you’ve been tossing and turning about getting a thermometer designed for fly fishing but hardly know what to choose from the plethora of models available in the US market today, perhaps you ought to check out the specs of the Andux F-WDJ01.

This product is an affordable option that seems to be worth every penny as it has been encased in a metal housing and has several features that make it easy to use and convenient. The pocket clip and lanyard ring sure come in handy, particularly for anglers who don’t want to lose sight of their belongings.

Thanks to its metal case, the Andux F-WDJ01 is sturdy enough to withstand the fast currents that may be present in streams, rivers, and brooks. Also, the housing protects the thermometer as it should, allowing you to avoid worrying about whether it’ll hit a rock and get broken when being thrown or released on the bottom of the river.

There is a primary difference between the Andux unit and the ones we’ve presented above, in that this product can strictly be used to measure the water temperature using degrees Celsius. Otherwise said, if you aren’t accustomed to this system, you will have to look elsewhere. (a great tools to have when going fishing: Humminbird 409610-1 Helix 5 Fish Finder )


The metal housing will protect the thermometer, preventing small accidents and breakage, and also making the thermometer more durable.

The pocket clip allows you to attach the thermometer to your vest, and the lanyard ring provides extra attachment options.

You can safely use this model for river fly fishing, or for fishing in streams and brooks, with the same efficiency and performance.

There is no more trial and error to deal with since you will always get accurate readings on water temperature to monitor the way schools of fish move through bodies of water.

Any fly fisher will appreciate having this accessory, as it will help them determine water temperature fast and easy.


Be aware of the screw in cap, since one buyer mentions that their model came unscrewed and that caused them to quickly lose the thermometer in the water on their first use.

Buy from for ($17.99)

4. River’s Edge 1291″Lunkers Bait and Tackle Thermometer

Despite the fact that it is one of the most cost-effective alternatives available, the River’s Edge 1291 is fully capable of performing the functions for which it was designed. If you are considering purchasing this model, one of the primary reasons you might consider doing so is that it can be used to monitor temperature both indoors and outdoors, and it is also resistant to the elements and various water conditions.

When compared to the other products we’ve seen, this thermometer is far larger, which means that it is significantly easier for the user to read. As a result, the River’s Edge 1291 offers all of the benefits that come with a user-friendly design.

This option, like the others, has been created to be suitable for all types of anglers, regardless of whether they are based in the United States or elsewhere. As a result, it is capable of providing readings in both Celsius and Fahrenheit. The temperature ranges from -40 to 60 degrees Celsius and -40 to -140 degrees Fahrenheit, which means that you’ll be able to use this thermometer even when the water is close to freezing temperature.

In a nutshell, the River’s Edge 1291 is a functional piece of equipment with a classic aesthetic that can prove its worth when you need it the most.


The classic style of this water thermometer for fishing will be the first thing that catches your attention when you first take a glance at it.

Because of its larger-than-usual size, this model will provide you with the ability to rapidly read the temperature figures displayed on the display.

This thermometer can be used for a variety of purposes other than fishing because of its unique shape, which allows it to fit almost anywhere.

Because the housing is powder coated, you can expect your thermometer to function properly in any environment due to its durable design.

This thermometer will undoubtedly be put to good use by outdoor enthusiasts, who will also appreciate its attractive design.


Customers have complained that the readings are not the most accurate they have seen, but they have stated that they still appreciate the beautiful look of the clock.

Other buyers express their dissatisfaction with the size of the thermometer, stating that they expected it to be larger.

Buy from for ($12.98)

5. Triple S Sporting Supplies In Fish Hawk Electronics TD Digital

For those of you who are early adopters of new technology, and who want to make the most of your fishing vacation, it’s past time to give the Fish Hawk FH-TD a chance. Based on your preferences for customisation, this digital at-depth gauge can offer readings in either Fahrenheit or Celsius. Every 5′ to 300′, the water temperature is displayed on a digital monitor.

Despite the fact that some individuals have stated that controlling the gadget may take some getting used to, particularly if you have no prior experience with utilizing such digital alternatives, the Fish Hawk FH-TD appears to be a safe bet in the long run.

However, the truth of the matter is that the vast majority of those who took the time to express their thoughts on the Fish Hawk unit’s overall performance have nothing but positive things to say about it. Some anglers use it for salmon fishing, while others use it for bass fishing, with the same excellent and accurate results in both situations.

Both the one-year warranty and the battery’s five-year warranty are important considerations, especially if you don’t plan on spending a lot of time on the phone with customer service. In addition, we have more information -> see our article about fish finders with GPS combos.


In addition to displaying water temperature and depth information, this model is extremely helpful in that it will assist you in your quest to catch the fish you are pursuing.

It is possible to display the temperature in either Fahrenheit or Celsius, and the pressure sensor can provide you with the necessary information in either feet or meters, depending on your preferences.

The digital device will provide information once every 5 seconds, up to a maximum of 300 seconds, to ensure that you are always up to date with the latest developments.

Because the measurements are reliable, and they are displayed for the whole water column, they are particularly useful for anglers who wish to eliminate all of the guesswork from their tasks.

The manufacturer offers a one-year warranty on their products.


Due to the fact that the battery cannot be replaced, you will be forced to replace the entire product if the battery fails.

Buy from for ($180)

Guide to Purchasing

What is the best thermometer to use while monitoring the temperature of water? What are the benefits of having one in the first place? How can you tell the difference between a model that is well-made and one that does not live up to your standards? The answers to these questions can be found in our comprehensive buying guide, which is jam-packed with all the criteria you need to consider if you want to obtain the perfect product and receive the best value for your money on the market right now. Take a look at the video below.


If you are a novice angler, there is a good possibility that you are wondering what all the fuss is about when it comes to purchasing the finest fly fishing thermometer. Inevitably, when it comes to feeding, fish become a little tired around the middle of the day. As a result, you’re not likely to have much success at this time. What causes this to occur? Simply put, the water temperature rises during the day, which implies that you will most likely have to fish in the morning and evening. In principle, this basic guideline is sufficient, but in months such as August, when the water temperature may not even reach a low enough degree in some regions, it may be necessary to use a thermometer to confirm the temperature.

The ease with which it can be used

When picking between two models, the first thing to consider is how easy it is to use one over the other. While acquiring a digital thermometer for fishing may appear to be a good idea at first glance, you must consider not only your technical expertise, but also a number of important aspects of the instrument. Unless there is some shade around, for example, you will have a difficult time reading the digits on the screen if it does not have a backlit screen. Similarly, Wearing polarized sunglasses while fly fishing can make it difficult to read the display, even if it is backlit. If you intend to indulge in some fly fishing, there is a good possibility that you will be wearing polarized sunglasses.

The original form of thermometer, which is made of thick glass, continues to be preferred by many anglers because of its durability. Most of these basic devices include loops at the top that you can use to tie several feet of line to, allowing you to dangle the thermometer in the water while you’re fishing. If you are looking for a model that is convenient, you should look for this characteristic as well.


You’ll have to put in your best effort and go through some of the top fishing thermometer reviews, despite the fact that this portion may be a bit of a hassle. The unfortunate reality is that if you are purchasing the product online, there is no way to physically verify if it is correct or not. It is for this reason that you must seek the advice of other anglers, who can assist you in making the best decision possible. You will most likely require the services of the best thermometer for measuring water temperature between 20 and 120 degrees in most cases. Even if you regularly fish in the same area, you never know when your angling adventures will lead you to a different location, where the temperature favoured by local species may be different from the temperature you are used to experiencing in your home environment.

Design and durability are important considerations.

As a matter of definition, the best thermometer for fishing is one that can survive the test of time, and this goes without saying. In this case, you’ll need to look at some ratings once more to be sure. Additionally, you will need to evaluate the item’s structure, the thickness of the glass, and whether or not it has any metal parts or covers that could make it even more durable. When it comes to design, while such a thing does not have to be stunningly gorgeous, it should stand out from the rest of your equipment, which is why bright or contrasting colors should be used.

While we have supplied you with some of the best instances and reasons to utilize a fishing thermometer, we understand that non-seasoned anglers may still require additional evidence to be convinced of its usefulness. As a result, we thought we’d provide some practical advice on how to make the most of this fantastic tool and become more effective.

For example, when it comes to locating fish that are actively feeding, a thermometer is as close to magic as it is humanly possible to get. If you know how to utilize a stream thermometer, for example, it may be a very effective fishing instrument, which is exactly what we are here to show you how to do today.

What is a stream thermometer, and how does it work?

As the name suggests, a stream thermometer is an instrument that was created for a single, but extremely important, purpose: to obtain an accurate reading of the stream’s water temperature and then combine that reading with the known temperatures in which trout and other fish prefer to live and reproduce their habitat. As a result, what happened? You will learn whether a fishing location boosts or decreases your odds of catching a fish.

This kind of comprehensive information of water temps can be really beneficial to an angler who is having difficulty locating some excellent fishing grounds for his or her craft. It is also not difficult to accomplish: all that is required is that you submerge the object in the water for around 10 to 15 seconds, or for however long the manufacturer specifies is necessary for it to adapt to the environment.

When you draw it up, a quick glance at the mercury should tell you whether the water is warm enough or cold enough to be in great fishing territory. You’re not sure what the optimal water temperature for fishing is, or why it’s so crucial, are you? Not to worry, we’ll get to that in just a moment or two.

What is the significance of water temperature for trout?

In the absence of a fly fishing thermometer, the number of degrees in the water is something that cannot be ignored if one want to be a successful angler in the field. Changes in water temperature, together with other environmental elements such as food, adequate cover, and the quality of the water, can have a significant impact on a fish’s capacity to survive and on its behavior, among other things.

While this quality is shared by most species, it is particularly significant for trout, which we define as a big number of freshwater fish found in most rivers, or, in other words, the majority of the prey you catch while fishing.

The reasons for this are also not overly difficult to comprehend as a result. First and foremost, because trout are cold-blooded, their body temperature more or less adjusts to the temperature of the water in which they are swimming. Your first clue should be that the water is extremely cold, as indicated by your fishing thermometer. When the water is really cold, the fish’s metabolism is slowed, which results in them eating less, which is your first sign.

Furthermore, persons who did not skip chemistry class in high school are more likely to recall how water temperatures affect dissolved oxygen levels in the water. In a word, the higher the temperature of the consumable liquid, the less dissolved breathable gas it is able to retain.

Furthermore, just like any other living creature, fish prefer to live in a specific temperature range, therefore it’s only natural that this is the area where you’ll have the best chance of landing a catch. While the exact value varies depending on the species and water body, trout-friendly species will typically land between 45 and 65 degrees, so aim for that as your sweet spot.

Indeed, this is such a sensitive matter that even minor oscillations can radically alter the atmosphere and cause the bite to cease for no apparent reason…. If you’re an experienced angler, we’re sure you’ve had one of those days where the fish just weren’t biting, and this could be a bigger part of the reason than you realized.

Will using a thermometer increase my chances of catching more fish?

The short answer to this question is, of course, “yes,” as long as you remember to put it into action when you should. If you’re in the habit of keeping your fly fishing thermometer strapped to your vest or pack, you might have a difficult time keeping it in that position. It is, however, all about making small improvements that are basic and straightforward. Consider allocating an additional 20 seconds whenever you change flies to take a reading.

Also, if you spot a hatch beginning or if you land a good catch, get out your trusted fishing thermometer and record the temperature so you may utilize it in the future to capture even more fish!

Veteran fishermen also understand how to use bug activity as a technique to determine whether or not the fish are biting in a certain location. Take note of the fact that the mosquitoes in your area become exceedingly agitated whenever temperatures in your area reach a specific level during the springtime. For the insects that serve as a meal for trout, the same holds true; therefore, you can take measurements of these insects and use them.

As previously said, fly fishing thermometers can also help you to be more successful when it comes to this particular sort of angling. The problem is that stream temperatures can fluctuate significantly from bank to bank depending on depth and structure, so if you are fishing from a drift boat, the best thing you can do is to submerge your boat in early in the day and keep an eye out for temperatures that are too cold for trout to survive.

The fact that not all fish fall into the 45-to-65-pound range is also crucial to note: The smallmouth bass, for example, prefers temperatures between 65 and 68 degrees, while bluegill can tolerate temperatures as high as 69 degrees and carp can tolerate temperatures as high as 73 degrees, making a fishing thermometer an absolute must-have for any serious angler.

One final piece of advice would be to think about the type of thermometer you will be using before you start. Even though there are two primary types, analog and digital, the analog variety is believed to be more versatile and dependable, whilst the digital variety is not. It is made up of a normal mercury or alcohol-based glass tube thermometer and is more reliable than the digital version because it is made of glass tube thermometer.

Products that are no longer available

The Bavnco Instant Reading Thermometer provides instant temperature readings.

Many anglers believe that this Orvis model is the best water temperature thermometer that has ever been manufactured.

The best part about it is that it is cheaply priced and will not break your financial budget. We’ve discovered that the majority of internet shops are selling it for less than twenty dollars, which is a reasonable price for such a well-built and useful device. With its assistance, you can monitor temperature in both Celsius and Fahrenheit, which may come in handy at some point, particularly if you’re planning a fishing trip with a friend who isn’t based in the United States of America.

In terms of estimating the item’s long-term endurance, there does not appear to be anything to be concerned about at this time.

The model is contained within a tiny and slender metal shell that manages to protect the thermometer while yet allowing water to flow through it.