10 Best Wifi Pool Thermometers 2025 in the United States

The GoveeLife Smart Pool Thermometer offers a comprehensive solution for monitoring pool temperatures with several standout features. With a temperature range of -40°F to 158°F (-20°C to 70°C) and an accuracy of ±0.5°C, it provides precise and reliable readings. The device refreshes every 2 seconds, ensuring up-to-date information. Its IPX7 waterproof rating ensures durability under water, and it can handle harsh weather conditions, making it suitable for various environments like swimming pools, hot tubs, and fish ponds. The connectivity range is impressive at up to 328 feet (100 meters), but it’s important to note that obstacles can reduce signal effectiveness.

The thermometer pairs with an app that supports real-time monitoring and notifications, enhancing its usability. The app also allows for data storage and export over two years, providing valuable historical data for users. The device operates on two AAA batteries, offering a battery life of up to one year in standard mode and three years in power-saving mode. Low battery notifications on both the device and the app ensure you’re never caught off guard. Installation is simple, aided by an included rope to prevent the thermometer from drifting.

However, the device only supports 2.4GHz Wi-Fi, which is a limitation to consider. The GoveeLife Smart Pool Thermometer is a robust and feature-rich option for anyone needing reliable and accurate temperature monitoring.

The INKBIRD IBS-P01R 2nd Generation Wireless Floating Pool Thermometer offers several notable strengths for pool and hot tub owners. Its upgraded waterproof ability with a screw-on battery cover ensures better sealing, which enhances its durability. Made from UV-resistant and high-temperature tolerant materials, it's well-suited for outdoor use. Additionally, the thermometer is chemically resistant, making it safe for use in pools, hot tubs, and even aquariums.

With a wireless range of up to 300 feet, you can monitor the water temperature from inside your home, providing added convenience. The device also allows for temperature readings in either Fahrenheit or Celsius, catering to different user preferences. For those who require even greater range, it is compatible with INKBIRD gateways IBS-M1 and IBS-M2, sold separately, which enable WiFi connectivity without a distance limit.

The product also comes with an indoor thermometer, which adds value. The ease of installation is generally straightforward, but some might find the requirement to purchase additional components for WiFi connectivity a bit inconvenient. This thermometer is ideal for pool and hot tub owners who seek a reliable, durable, and easy-to-use temperature monitoring solution with the flexibility of long-range connectivity.

The ThermoPro Digital Pool Thermometer is a reliable choice for monitoring water temperature in various settings such as pools, hot tubs, and aquariums. Its standout feature is its high accuracy, with a precision of ±0.9℉ within a broad temperature range (-40℉ to 158℉), making it suitable for both extremely cold and hot environments. The thermometer boasts a long connectivity range of up to 500 feet, allowing you to check temperatures without stepping outside—a great convenience for pool owners. The large backlit display is easy to read, even in low light, and provides all-time records of temperature highs and lows for better tracking.

Durability is another strength with IPX8 waterproof rating and high-quality ABS material ensuring it can handle prolonged exposure to water and harsh weather conditions. Installation is straightforward as the units pair automatically out of the box, and it operates on included AAA batteries. However, the device lacks app compatibility, which means you can only monitor temperatures on the provided display receiver. Also, though the battery life is decent, frequent battery replacements could be seen as an inconvenience. These minor drawbacks aside, this pool thermometer's build and functionality make it a solid option for anyone needing precise and convenient water temperature monitoring.