Guide
Weather & density altitude
How to check conditions and density altitude where you ride.
Find your weather
- Open Weather from the hub.
- Tap My area to use your location (allow it when asked), or search for a city or place.
What you see
- Temperature, feels-like, humidity, wind, pressure, rain, clouds, elevation and density altitude.
- US weather alerts from the National Weather Service.
- Hourly forecast for the next 24 hours and a 7-day forecast.
- Live radar: Play loops the last ~2 hours plus the short-term forecast. Step frame by frame or tap Recenter.
With the timer and lab
Weather conditions go into the GPS timer’s timeslip weather fields, and the Times lab uses density altitude to correct your times.
Sources
Forecast: Open-Meteo. Radar: RainViewer. Place names: BigDataCloud. US alerts: NWS. Map: OpenStreetMap.

