PurpleAir has partnered with WeatherFlow-Tempest to offer PurpleAir users exclusive deals on the Tempest Home Weather System.
The meticulously designed Tempest Weather System leverages powerful machine learning and state-of-the-art modeling capabilities to provide the most precise, local forecast available - guaranteed. No moving parts, completely wireless, simple installation, with instant online access to weather data via free iOS and Android apps.
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.




Tempest Measured Variables & Features:
- Outdoor temp, humidity, dew point, feels like temp.
- Station pressure and sea-level pressure
- Wind speed, wind direction, average and gusts
- Lightning activity (strikes and distance up to 25 miles)
- Rain onset, intensity, duration and accumulation
- DeltaT, wind chill, wet bulb temp, air density
- UV index, brightness, solar radiation
- iOS and Android apps & free personal weather page
- Free personal weather page: LIVE EXAMPLE
- Auto-calibration with Continuous Learning system
- Works with smart home devices. Alexa, Google Home, IFTTT and more
- Tempest Spec Sheet

Tempest Measured Variables & Features:
- Outdoor temp, humidity, dew point, feels like temp.
- Station pressure and sea-level pressure
- Wind speed, wind direction, average and gusts
- Lightning activity (strikes and distance up to 25 miles)
- Rain onset, intensity, duration and accumulation
- DeltaT, wind chill, wet bulb temp, air density
- UV index, brightness, solar radiation
- iOS and Android apps & free personal weather page
- Free personal weather page: LIVE EXAMPLE
- Auto-calibration with Continuous Learning system
- Works with smart home devices. Alexa, Google Home, IFTTT and more
- Tempest Spec Sheet