Weather in Grass Valley, OR
Updated 2026-09-26 09:00 local time · ZIP codes 97029

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
43°4% rain
46°3% rain
49°1% rain
52°1% rain
54°1% rain
56°3% rain
57°3% rain
58°9% rain
58°9% rain
57°9% rain
53°9% rain
53°9% 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 9%).
It feels like 41°F with winds near 5 mph.
57°F, 3% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 43°F, wind 5 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Grass Valley
Oregon ranges from a mild, wet Pacific climate west of the Cascades to much drier conditions east of the mountains. Elevation strongly affects snow and temperature.
Grass Valley is part of the West weather region. The forecast point is near 45.36°N latitude and 120.78°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
Sunny and 43°F in Grass Valley, OR. Today's high is 58°F with a 7% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 62%, pressure is 30.13 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grass Valley
Sunrise is at 06:55 AM and sunset is at 06:53 PM. Tomorrow's forecast calls for Sunny with a high near 64°F and a low near 45°F. The maximum rain chance is 3%.