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Welcome to the Kelvin! This first release includes live animated skies, hourly and 10-day forecasts, air quality, the Nerd Lab, and Kelvin+ with radar, alerts and widgets. Found a bug or have an idea? Use the feedback link on the testing page.
Weather painted in heat: live skies, radar, alerts and a forecast you can feel.
Kelvin is weather you can feel. Every temperature glows on a thermal-camera colour scale, and the sky on your screen moves with the real one: sun, rain, storms, snow and fog, all animated. RIGHT NOW, AT A GLANCE • A living sky that matches the conditions outside • Today in plain English, plus what to bring: umbrella, shades, sunscreen or layers • Next 3 hours of rain, minute by minute • Feels-like temperature, highs and lows, sunrise and sunset PLAN AHEAD • Hourly timeline for temperature, feels-like, rain, wind, UV and clouds • 10-day forecast with thermal temperature bars • Wind, gusts, humidity, dew point, pressure, visibility, cloud cover and moon phase • Air quality, pollutants and pollen • Local weather news NERD LAB, FOR THE CURIOUS • Model spread: compare ECMWF, GFS and ICON runs and see how confident the forecast is • 48-hour pressure tendency • Storm energy (CAPE), freezing level, cloud layers and solar radiation • Golden and blue hours for photographers KELVIN+ Kelvin+ adds the features that keep you ahead of the weather: • Live radar: animated rain and snow radar with a 30-minute nowcast • Severe weather alerts: official warnings plus smart heads-ups for rain, wind, heat and air quality • Home screen widgets: thermal-glow widgets in two sizes Try Kelvin+ free for 7 days on the yearly plan. Monthly and yearly plans are available, and subscriptions renew automatically until cancelled in Google Play. PRIVATE BY DESIGN No ads. No account. No data selling. Your location is used only to fetch the forecast for where you are, and you can search for places instead. Forecasts, air quality and geocoding by Open-Meteo. Radar by RainViewer, maps by OpenFreeMap. US alerts from the National Weather Service.