Weather in Grass Valley, CA
Updated 2026-09-26 08:00 local time · ZIP codes 95945, 95949
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
65°11% rain62°10% rain66°10% rain69°9% rain70°9% rain71°9% rain71°9% rain71°9% rain70°9% rain68°8% rain
65°6% rain
66°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 11%).
It feels like 62°F with winds near 4 mph.
70°F, 9% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 65°F, wind 4 mph, rain chance up to 11%.
UV index is 0.
Local weather characteristics in Grass Valley
California weather varies from cool marine conditions along parts of the Pacific coast to hot inland valleys, deserts and snowy mountain climates. Short distances can produce large temperature differences.
Grass Valley is part of the West weather region. The forecast point is near 39.22°N latitude and 121.06°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Grass Valley weather today
Overcast and 65°F in Grass Valley, CA. Today's high is 71°F with a 7% rain chance. Winds are around 4 mph with gusts near 4 mph. Relative humidity is 49%, pressure is 29.93 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grass Valley
Sunrise is at 06:55 AM and sunset is at 06:55 PM. Tomorrow's forecast calls for Overcast with a high near 67°F and a low near 58°F. The maximum rain chance is 7%.