Weather in Grass Valley, California
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 08:51 PM ET · Refreshes every hour
76°F
Clear sky
Feels like 72°F
34%
Humidity
7 mph
Wind Speed
About Weather in Grass Valley
Grass Valley is located in California (coordinates: 39.220305°N, 121.052654°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.