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The Tempest Weather System by WeatherFlow measures and reports the weather directly from your yard, making it the perfect companion to a Rachio Smart Sprinkler Controller. Leveraging powerful machine learning and modeling capabilities, Tempest provides the most precise forecast available. No moving parts, solar-powered, completely wireless and easy to install. Sold by Rachio, ships separately from WeatherFlow.

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 sensor device outdoors with app screen next to it showing current weather conditions

Tempest Features Include:

  • Outdoor temp, humidity, dew point, feels like temp.
  • Wind speed, wind direction, average & gusts
  • Lightning activity (strikes and distance up to 25 miles)
  • Rain onset, intensity, duration, and accumulation
  • Wind chill, wet bulb temp, DeltaT, Air Density
  • UV index, brightness, solar radiation
  • Auto-calibration with Continuous Learning technology
  • Long-range wireless connectivity (1000ft)
  • Free iOS and Android apps & personal weather page
  • Works with Alexa, Google Home, IFTTT, and more
  • Direct Rachio integration (code available via WeatherFlow support)

 

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A Better Local Forecast

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 Google Assistant, Rachio, IFTTT, Siri, Alexa, Homey, and many more.

WeatherFlow’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.

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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 fall
  • Turn on attic exhaust fans if the temperature is high
  • Turn on ceiling fans if the temperature is high
  • Turn on whole house attic fan & turn off the AC if the outside temperature is cooler than inside
  • Turn on outside accent lighting when light level falls below a set limit
  • Turn on an engine block heater on work days when the outside temperature is close to freezing
  • Adjust heating/cooling levels based on the temperature and humidity forecast
  • Adjust indoor lighting levels based on outdoor sunlight levels
  • Adjust 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. The WeatherFlow Tempest System 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).

Weight 10 kg
Brand

Rachio