Price: $349.00
(as of Jul 23, 2025 22:15:28 UTC – Details)
Product Description
More than hardware, the meticulously designed Tempest Weather System leverages our patented Nearcast Technology, a combination of curated weather data sets, machine learning, and state-of-the-art modeling capabilities. The result is a more accurate local forecast that only gets better over time. A revolutionary design with no moving parts, nearly zero maintenance, instant online data, and a rich API powering a growing list of third-party applications. Save time and money with smart home integrations, and protect your family and property with instant alerts to warn of rain, lightning, wind, and much more. Install the Tempest home weather system in less than five minutes, and it will do the rest!
Tempest Features Include:
Outdoor temp, humidity, dew point, feels like temp.Wind speed, wind direction, average & gustsLightning activity (strikes and distance up to 25 miles)Rain onset, intensity, duration, and accumulationWind chill, wet bulb temp, DeltaT, Air DensityUV index, brightness, solar radiationAuto-calibration with Continuous Learning technologyLong-range wireless connectivity (1000ft)Free iOS and Android apps & personal weather pageWorks with Alexa, IFTTT, and moreDirect Rachio integration (code available via Tempest support)
A Better Forecast For Your Location
Our patented Nearcast Technology uses machine learning to compare your live station data against trusted data sources to ensure your station never drifts out of calibration. AI and data science techniques are used to improve the forecast for your exact location. No more guessing!
A Weather Station So Advanced, It’s Simple
A revolutionary design with no moving parts, nearly zero maintenance, instant online data, a free personal webpage, and a rich API powering a growing list of third-party applications. Fully solar-powered, install the Tempest home weather system in less than five minutes.
Turn Your Smart Home Into a Genius
Use your weather data to save on heating and cooling, optimize your smart sprinkler controller, alert your family to approaching storms, and more. Tempest is compatible with Rachio, IFTTT, Siri, Alexa, Homey, and many more.
Tempest’s Commitment to You
We stand behind our products and the technology that powers them. Each Tempest comes with a 60-day return policy, and if you aren’t blown away by the better forecast in the first 2 months, simply return it. Enjoy stress-free shopping with a company committed to customer happiness.
Here are just some of the ways to use weather observation and forecast data from the Tempest System with your smart home:
Adjust your irrigation schedule based on the rain that’s fallen… or the rain that’s forecast to fallTurn on attic exhaust fans if the temperature is highTurn on ceiling fans if the temperature is highTurn on whole house attic fan & turn off the AC if the outside temperature is cooler than insideTurn on outside accent lighting when light level falls below a set limitTurn on an engine block heater on work days when the outside temperature is close to freezingAdjust heating/cooling levels based on the temperature and humidity forecastAdjust indoor lighting levels based on outdoor sunlight levelsAdjust awning and shade positions based on ambient light, solar radiation, wind, etc
In addition to direct integration with your smart home systems, there’s also a growing list of devices and software that let you do all sorts of things with the data from your Tempest System. Tempest exposes a collection of self-service APIs and documentation that make it easy for developers to build apps and integrations that access data on behalf of a Tempest station owner. With both remote access (via REST & Web Socket) and local access (via Bluetooth Low Energy, UDP Broadcast).
Tempest Specs
Air Temperature -40°F to 140° F Relative Humidity 0-100% Atmospheric Pressure Up to 1100 mbar Lightning Activity Detects lightning 0 to 25 miles away Wireless Up to 1000 ft Wind Speed 0 to 100 mph Wind Direction 0 to 359° Ambient Light 1 to 128 kLUX UV Index 0 to 14 Index Solar Irradiance 0 to 1900 W/m2 Rain Onset First Drops Rain Duration Daily total Rain Accumulation Daily total Mount Adjustable pole mount or screw mount Power Solar powered
Product Dimensions : 4.23 x 4.23 x 8.66 inches; 1.6 Pounds
Item model number : 2020
Batteries : 1 Lithium Ion batteries required.
Date First Available : March 18, 2020
Manufacturer : WeatherFlow
ASIN : B0868WY7NY
Best Sellers Rank: #8,657 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #14 in Weather Stations
Customer Reviews: 4.2 4.2 out of 5 stars 1,845 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Featured in Better Homes & Gardens, Popular Mechanics, The Spruce and Wired, the Tempest Weather Station is trusted by leading experts and loved by more than 85,000 users who rely on it for accurate, hyper-local weather every day.
Monitors temperature, humidity, barometric pressure, wind speed and direction, dew point, solar radiation, UV index, lightning strikes, rainfall, and more – all from a single device.
The solar-powered outdoor sensor transmits wirelessly up to 1,000+ feet and delivers real-time updates every 3 seconds.
Built with no moving parts, Tempest is engineered for years of near-zero maintenance and reliable performance in any environment.
Seamlessly integrates with Amazon Alexa, Rachio, IFTTT, and popular smart home platforms – automate lights, thermostats, irrigation, and more using real-time weather from your backyard Tempest.
Our proprietary machine learning technology gives you the most accurate local forecast, real-time alerts, and historical data available, all seamlessly displayed in the powerful and easy-to-use Tempest mobile app or web page.
Installs in minutes. Just connect to WiFi and follow a few simple steps in the Tempest app. Need help? A detailed User Guide and Install Manual are included under Product Information.
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