The 10 best digital pool thermostats of 2025

Upgraded Waterproof Ability: The pool thermometer has better sealing and a Screw-on battery cover; Please tighten it as much as you can after installing the batteries

Upgraded Durable Materials: The floating thermometer is more UV resistant and high-temperature tolerance , ideal for outdoor swimming pools and hot tub

Probe More Resistant: The wireless pool thermometer is upgraded to be more resistant to chemicals in the water; You could even put it in an aquarium without worries

Max 300 feet Wireless Range: The floating thermometer syncs the pool temperature or hot tub to the indoor thermometer so that you can check the water temperature in another room

Optional Upgraded to WiFi: Compatible with INKBIRD gateway IBS-M1 and IBS-M2 (SALE SEPARATELY), to get temperature readings without distance limit

Fahrenheit or Celsius Switchable: Let the device get used to your habits

NOTE: Battery not included

Fantastic Colorful Light Show: Imagine your pool giving off a mesmerizing light show as the sun goes down. This is Pircaath's unique digital pool thermometer, the only one that projects a light onto the bottom of your pool. It includes 7 dynamic and static light modes to choose from, projecting vivid diamond light patterns in your water. Pircaath light up pool thermometer extends the art of sunset into the night and makes your backyard look vibrant and alive.

Solar Pool Thermometer: The floating pool thermometer is powered by solar energy. It is fully charged in the sun during the day and auto turns on the light at night when the button is turned on. Never need to change a battery, we greatly reduce our dependence on traditional batteries and make a positive contribution to environmental protection. Meanwhile, the solar light show adds extra performance to it, adding more atmosphere to your water activities at night.

Integrated Seal Design: Our pool temperature thermometer is designed with the highest level of IP68 waterproof, and it's improved compared with previous version. The upgraded waterproofness and the double sealing ring design can 100% ensure that the internal parts of the thermometer will not be soaked by water. This can effectively extends the life of the pool thermometer, allowing the pool temperature gauge to accompany you through several summers.

Accurate and Easy to Read: The probe on this pool thermometer adopts a high precision sensor, which can reach up to 5 inches underwater to provide you with accurate water temperatures. It also features a large LCD display with a 35° tilt, which allows you to clearly see the reading on the thermometer without having to bend over. If you want an accurate and easy to read digital thermometer, Pircaath floating hot tub thermometer must be the best choice.

User-friendly: This pool temperature gauge can be switched between Celsius and Fahrenheit. The temperature measurement range is -4℉ to 158℉, which is perfect whether you use it in a hot tub, spa or ice bath. It can record the highest and lowest temperatures of the day, allowing you to closely track changes in water temperature. Pircaath pool thermometers are protected by patent No. US D1027680 S/EU 015048299-0001/CN ZL202420149256.8

High Acurracy: This floating pool thermometer features highly precise sensor, accurate to ±0.9℉(±.0.5℃) in the temperature range of 32°F to 140°F. Sensor temperature range: -40℉-158℉, suitable for ice bath tubs, cold plunge, babybath, hot springs and aquarium

500FT Long Range: With RF technology for more stable connectivity, this pool temperature thermometer allows you to monitor the pool temperature outdoors from your house up to 500FT, checking the pool temp without going outside!

Large Backlit Display: Pool thermometer wireless with temperature and humidity monitor features large digits and backlight to ensure easy reading even in dim light conditions; All time/24 hours max and min record helps you track temperatures throughout the day!

More Durable Sensor: Floating thermometer for pool is designed with IPX8 waterproof and high-quality ABS materials, ensuring it can withstand exposure to pool water and various weather conditions for long time!

Easy to Use: The pool temp floater and receiver are automatically paired, making it go straight out of the box for use, no more tedious setup! Powered by 3A batterys (included)

Solar-Powered and Environment-Friendly: The WEBEST swimming pool thermometer floating easy read is equipped with a solar battery that charges under sunlight, making it an energy-efficient and environmentally friendly choice for monitoring your pool's temperature.

IPX-8 Waterproof Design: With its IPX-8 waterproof rating, WEBEST floating pool thermometer is built to withstand water immersion, ensuring accurate temperature readings even when submerged in the pool.

Easy Reading LCD Screen: The large, easy-to-read LCD screen provides clear and precise temperature measurements in both Celsius and Fahrenheit, allowing you to monitor your pool temperature with ease by WEBEST digital pool thermometer floating.

More Accurate Measurement: The WEBEST swimming pool temperature gauge offers a measuring range of -20°C to +50°C (-4°F to 122°F) with an accuracy of +/-1°C (2°F) between 0°C to 50°C, and +/-2°C (4°F) outside of that range. This ensures you get accurate readings every time.

Durable Construction with String: Made from high-quality materials, WEBEST pool temperature thermometer is built to last. It features a durable construction that can withstand the elements and comes with a string for easy retrieval and secure attachment.

Precise Temperature Monitoring: Take the guesswork out of pool care with advanced floating thermometer. It delivers accurate, real-time water temperature readings, ensuring a safe and comfortable swimming experience.

Energy-Efficient Design: Operating on battery power (batteries not included), pool thermometer floating is energy-efficient, helping you keep operational costs low without sacrificing performance.

Durable Waterproof Construction: Engineered to withstand harsh pool environments, the IPX8-rated waterproof design offers exceptional durability and reliability in all weather conditions.

Indoor Temperature Display: Check the temperature from the comfort of your home. The large, user-friendly display allows you to easily monitor your pool’s temperature without stepping outside, even during cold or rainy days.

Eco-Friendly Pool Management: Keep your pool in top shape while being environmentally conscious with eco-friendly approach to temperature monitoring. It's a smart choice for sustainable pool care.

Smart Remote Monitoring: With a connected 433 gateway (up to 328ft /100m), you can easily monitor your water temperature data in real time from anywhere with the App. The Wi-Fi gateway can be paired with up to 10 sensors, extending your monitoring range to any location indoor and outdoor.

More Accurate: The pool thermometer sensor can detect temperatures ranging from -4°F to 158°F, can accurately detect the temperature change of ±0.9°F, refresh speed up to 2S, double-click the internal button to switch °F/°C.

IPX7 Waterproof Protection: The GoveeLife Pool Thermometer is waterproof and can accurately measure temperature even when entering the water. You don't have to worry about water damaging it at all.

Free Date Storage & Export: The GoveeLife pool temperature monitor supports online viewing of 20-day data graphs and export of data recorded over the past 2 years. Ideal for swimming pools, paddling pools, hot tubs, fish ponds, jacuzzis, spas, etc.

Long-Lasting: The pool thermometer is powered by 2 AAA batteries, divided into standard mode and powersaving mode. Battery life is 1 year in standard mode and 3 years in powersaving mode (APP setting). When the battery is low, an alert icon appears on the screen and the app will also send a low battery notification. The product can also be linked to GoveeLife's wallsocket products to automatically turn the pool heat on and off.

Easy to Use and Install: The GoveeLife Pool Thermometer also comes with a rope to prevent the pool thermometer from floating away while taking readings! Need attention: The included orange loop rubber is replaceable to make the pool thermometer stand out on the water!

Need attention: It is better not to have obstacles between the gateway and the sub-device, otherwise it may affect the stability of signal transmission.(2.4Ghz WiFi Only)

【EASY TO READ】The RINMEE floating swimming pool thermometer is designed to be easy to read, with a large, clear display that shows the water temperature in bright, bold numbers.

【SOLAR POWERED】This floating temperature gauge is powered by solar energy, which means you won't need to worry about replacing batteries or running out of power.

【HIGH ACCURATE】Our pool thermometer reaches a depth of 7 inches below the water, providing precise and reliable measurements of the water temperature.

【WIDE MEASUREMENT RANGE】-4℉ to 122℉(-20℃ to 50℃) measuring range range, suitable for Swimming Pool, Spa, Hot Tub, Ice Bath, Jacuzzis, koi Pond.

【GOOD QUALITY】Made of high-quality materials that are IPX8 waterproof, corrosion-resistant, and can withstand high temperatures. Includes a 3.3ft long tether string to keep the thermometer tethered within reach so it won't float away.

Solar Energy, Never Powered Off: BaldrTherm wireless pool thermometer is equipped with solar cells. In bright environments, solar panels can provide permanent energy, whether it's light or sunlight.

Dual Screen Display & More Accurate and Sensitive: This swimming pool thermometer features dual screen display and angled design, allowing you to quickly read data whether you are by the pool or in the water. The solar pool thermometer uses high-precision sensors to ensure more accurate and reliable data (Accuracy: ±1°F/°C). And the thermometer automatically updates data every 5 seconds, keep you updated on the temperature changes in the swimming pool at all times.

No Fogging: The digital swimming pool thermometer is a fully sealed structure, using waterproof rings and ultrasonic technology, with a double-layer waterproof structure. Water vapor is difficult to enter the interior of the product, so it can be used with confidence even in warm water.

IP68 Waterproof & Dual-Temperature Display: BaldrTherm floating pool thermometer adopts a waterproof shell, Even when the product is immersed in water, it can ensure accurate readings without affecting normal use. It can easily switch between Celsius and Fahrenheit, making it very suitable for users around the world.

Applicable Scenarios: The BaldrTherm floating wireless pool thermometer has a compact and exquisite appearance, making it perfect for use in swimming pools, hot tubs, aquariums, baby showers, spas, koi pools, and other places where liquid temperature needs to be measured.

Pool Thermometer: Solar pool thermometer is our new version for 2025. The pool Thermometer is built with a highly efficient solar panel that absorbs the sun during the day to recharge the batteries and monitors the temperature of your pool anytime, making it an energy-efficient and environmentally friendly choice.

Pool Thermometer with Light Show: The floating pool thermometer has 7 different light shows, including dynamic and static. It not only provides you with accurate temperatures, but the lights itself displays are a beautiful addition!

Easy to Read: The spa thermometer's oversized LCD screen is tilted to make it more clear and easy to read even under strong sunlight. It switches between Celsius and Fahrenheit. Whether you want to ice bath in winter or have a pool party in summer, our thermometer provides accurate temperatures.

IP68 Waterproof and Floating Design: The floating design make sure that the pool thermometer always stays upright in the water. Besides, we design a tether loop. You can fix it with a string to prevent it from floating into skimmers or other cleaning products.

Perfect for Various Water Environments: Whether it's in a hot tub, spa, pool, or pond, pool temperature gauge is always your ideal choice. Monitor the temperature of your water and enjoy a comfortable and relaxing swimming experience.

SOLAR POWERED: The GAME Solar Digital Pool and Spa Thermometer is solar powered which means no batteries are needed. This floating swimming pool thermometer stays charged by using energy from the earth’s sun.

LARGE, EASY-TO-READ NUMBERS: This floating temperature gauge features large, easy-to-read numbers on a double-sided LCD screen that is angled allowing you to easily determine the temperature of your pool, spa, pond or bathtub.

TEMPERATURES IN FAHRENHEIT OR CELSIUS: Our pool and hot tub thermometer is made from high-quality, shatter-resistant materials. Use the blue button to switch the temperature display to Fahrenheit or Celsius. This floating pool temperature gauge reaches a depth of 5-inches below the water’s surface for a more accurate reading of your swimming pool’s water temperature.

TETHER INCLUDED: For easy installation and a secure fit, we’ve built a durable and long-lasting tether. The tether helps to prevent it from floating into the skimmer basket or other pool-cleaning equipment.

PAIRS PERFECTLY WTH OTHER GAME PRODUCTS: Our wireless pool thermometer design is produced by GAME. This thermometer pairs perfectly with other great GAME-branded pool products such as our solar chlorinators.