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Best Indoor Thermometers in 2022 – Reviewed

With the ability to monitor the temperature both indoors and out, a homeowner can tell whether they want to remotely control their pool heater to ensure it is warm enough to swim that night, water their garden, or just prepare for the cold. They can be used to measure the temperature in a pool house or any other outdoor room but there are certain features you will need more than others.

Durability is one, ease of use another, but also accuracy. Not every product on the market can offer all three which is why we have created a list of the best indoor thermometers. Each one is reliable, features modern technology, and there is something for every budget.

Quick Summary of Best Indoor Thermometers

 Editor’s Choice 
La Crosse Technology 308-1414B-INT, Black  (review)
 Best Affordable 
ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer  (review)
 Best Large Screen 
ThermoPro TP67 Waterproof Weather Station Wireless Indoor Outdoor Thermometer  (review)
 Easiest To Use 
La Crosse Technology 302-604B Black Indoor Digital Thermometer & Hygrometer Station  (review)
 Best Display 
AcuRite 02016 Color Weather Station  (review)
 Best Weather Station 
Ambient Weather WS-2801A Advanced Wireless Color Forecast Station  (review)
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Editor’s Choice: La Crosse Technology 308-1414B-INT, Black

About as complete a product anyone could hope for when looking for an indoor thermometer. A full-color LCD system provides more updates than most including forecasting weather. The weather icons are a nice touch so it is easy to see expected rain, sun, storm, snow, etc. Set up is easy as it self sets the time and date and uses wireless technology to take outside readings, as well as indoor.

With a transmission range of 330 ft, the La Crosse Technology 308 can pick up readings from another room or outbuilding so a pool house or pool area can be monitored from the comfort of the house. It can hang on a wall and also features an alarm with a snooze button. There are also more settings for those who want an in-depth reading so program it to display temperature trends among other useful information.


  • 330 ft transmission range
  • Takes multiple readings
  • Full LCD color display
  • Includes weather icons
  • Indoor and outdoor readings


Best Affordable: ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer

In terms of keeping it simple, this is as basic as it gets, but it does everything most people need it to. With a bargain price behind it, this indoor thermometer can also take humidity readings and provide an air condition reading. This means it can tell you when things are dry, comfortable, or wet to help any homeowner be aware of their surroundings.

Because it is so accurate it is ideal for places where you will want to make sure the conditions are suitable such as a greenhouse, pool house, or a child’s room. Being able to understand the humidity and temperature can make it easier to make changes that can benefit anyone with health issues and the large screen makes it easier to take quick readings.


  • Large screen
  • Easy to use
  • Good value
  • Easily portable

  • Not as in-depth as other indoor thermometers

Best Large Screen: ThermoPro TP67 Waterproof Weather Station Wireless Indoor Outdoor Thermometer

Another excellent indoor thermometer that takes indoor and outdoor readings. It is as simple as some of the cheaper products but has plenty of the features of the more advanced gadgets as well. When backlit the display makes it easy to take a reading at night and the reliable sensor is both weatherproof and cold-proof.

The range extends to around 200 ft before it loses signal but this plenty enough for most homes who want to take constant readings. It takes future readings of 12-24 hours ahead and displays the results on the large screen using one of the icons including sunny, cloudy, and rainy among others. By being able to see the humidity indoor and out it can help a homeowner to turn on a dehumidifier, switch the air con on and make life that more comfortable.


  • Large 4-inch screen
  • Range of 200 ft
  • Takes future readings
  • Easy to use

  • Sometimes has to be re synched

Easiest To Use: La Crosse Technology 302-604B Black Indoor Digital Thermometer & Hygrometer Station

Small, portable, and convenient, this is a useful indoor thermometer that can also take hygrometer readings. There is everything that most people need to be displayed including temperature, humidity, and a comfort level icon. This doesn’t have the features of the more expensive products but for a basic reading that doesn’t overload the display with too much information, it is a reliable option.

it doubles up as a clock, can hang on a wall, and one battery lasts a long time. It only takes a few minutes to start giving accurate readings and is easily portable so can follow you wherever you want to take it.


  • Simple display
  • Comfort level icon
  • Humidity readings

  • Doesn’t offer as many readings as other products

Best Display: AcuRite 02016 Color Weather Station

With one of the best displays available, this is an indoor thermometer that makes it easy to understand the readings. Beyond the basics of temperature and humidity, the 02016 provides daily high and low readings as well as providing an adjusting clock when the time changes. It pulls data from the sensor to take outdoor readings and because of its enhanced signal, it is one of the better options for getting through obstacles and walls.

It provides a forecast of expected weather, tells the time, and even the moon phase. The backlit display automatically dims to make it easier to read and the sensor is weather resistant making this a reliable and accurate option that comes with a one-year limited warranty.


  • Provides daily high and low readings
  • The outdoor sensor has an enhanced signal
  • Fully color display
  • Easy to use

  • Some people find the screen too big

Best Weather Station: Ambient Weather WS-2801A Advanced Wireless Color Forecast Station

One of the more advanced indoor thermometers, it is a weather station with a difference. Although this might be a bit too much for those who want simple readings, it does all the basics and has an easy to understand display. Full color and with clear readings it allows the user to take a look at the temperature, humidity indoors, and outdoors when connected to the remote sensor.

Additional sensors can be purchased and it can work with up to 3. What a lot of people like is the predictive readings, these can be set up for 24 hours and 48 hours ahead and they have proven to be accurate more than they are wrong. The range of the sensor is around 300 ft but works best at 100.


  • Takes multiple readings
  • Can be set to forecast upcoming weather
  • Sensor range is 300 ft

  • Pricier than most

Indoor Thermometer Guide

Whether you. want to make sure your baby’s room is the ideal temperature, or just need to know when to put the aircon on, an indoor-outdoor thermometer is an important product to buy. This can help the whole family feel more comfortable, not to mention safe.

There are a variety of products to choose from and there are even indoor-outdoor thermometers that tell you the temperature inside your home, as well as what’s going on outside.

To help make this purchase a simple one, we have created the following buyer’s guide.

What To Look For In An Indoor Thermometer

User-Friendly Display

One of the most important traits for an indoor thermometer is that it is easy to take a reading. Some of the low-quality products are confusing which makes them difficult to trust. Most digital thermometers have clear LED displays and some even have adjustable brightness settings.

Battery Life

If you are purchasing a digital indoor thermometer, you want to make sure it has a decent battery. life. You won’t be able to get a solar product like you can for outdoor versions but some last for many months to make them low maintenance.

Some brands are rechargeable via USB whilst others can be plugged into the mains although this can be restrictive.

Additional Features

Some products go way beyond your basic expectations. This is where you can monitor other things such as the humidity of your home and even set alarms.

If you have an alarm, it can help to ensure the baby’s room is always the optimal temperature. Other notable features include wind strength and direction, forecast, as well as the date and time.

WiFi Compatible

The modern age of smart devices means you can also. get thermometers that are WiFi-compatible. These can often be connected to your smartphone making it easy to take a reading wherever you are.

As long as it has the range, it should be fine to go in any room. This leads to…

Smart Home Compatibility

If you have a home full of the latest gadgets and conveniences then your indoor thermometer can follow suit. A lot of the better items are compatible with Alexa or Google Assistant so you can take an accurate reading.

This can allow you to set your other smart home devices to activate during certain temperatures, so you can close those smart blinds, turn on the air-con, or even the sprinklers.

Transmission Range

The larger your home, the more important this will be. A transmission range should be several feet with high-end products giving you hundreds of feet of range.


You want less margin for error and highly accurate readings from your indoor thermometer. If you are relying on an indoor thermometer to make a baby’s room as comfortable as possible for a good night’s sleep or want to know if it is swimming temperature outside, the accuracy is important.

Weather Resistance

Some products just do not cope with harsh conditions so well. However, this is where other brands will excel. With lithium battery technology and a waterproof sensor, some indoor thermometers are capable of working when the temperature goes deep into the minus readings.

Linked Readings

Depending on the brand you are considering, some can display the readings of other thermometers. This means you can keep a check on the baby’s room, garden, wine cellar, and whatever else you want to keep an eye on.

Mounting Options

You don’t always want to keep the indoor thermometer in the same place. This is why it is good to have multiple mounting options. If it is to be fixed to the wall, it can be useful if the mounting bracket comes off easily. Some brands might. include more than one to make life easier.

If it has a magnetic back, then this opens up other options, including the ability to mount it to your fridge.

Where To Place A Remote Sensor?

If you are buying an indoor-outdoor thermometer then you will need to find an ideal spot to mount your outdoor thermometer. You should go for a shady spot so a porch area that will stop direct sunlight from impact the reading.

Also, try and give it some shelter so it is less exposed to rainfall which can damage it over time.

What Is The Ideal Indoor Outdoor Thermometer Transmission Range?

For most people, the best transmission range will be anything from 200 – 300 feet. This gives you enough scope to find the ideal spot to mount it. Take into account the fact that walls and WiFi signals can cause a few issues and make adjustments until you get a reliable signal for accurate readings.

Why Use An Indoor Outdoor Thermometer?

Although they are commonly used in vehicles to give you an accurate sense of what is going on outside your car, these products have become popular inside for a reason.

Anytime you are planning a trip, it can be good to see if the conditions are favorable. A lot of products will give you more than a temperature reading as knowing the humidity and UV levels are important.

Are Indoor Outdoor Thermometers Accurate?

This depends on the reliability of the product you choose but the high-quality brands are very accurate. When you get this right, you can take a reading of the outside without having to brave the elements and even most are arcuate within a degree at the least.

With a clear display and plenty of other features with most products, they are considered to be among the most reliable types available.

How Much Does An Indoor Outdoor Thermometer Cost?

Given the amount of technology that goes into these products, a lot of people consider them to be a good value for money. Of course, a product that is compatible with smart home devices is going to cost more but the average price for a decent product tends to be around  $20. As we say, there are plenty of products available for more, but it might not be necessary to go too much higher.

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