Grass Valley, OR Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Valley, OR in one place.
A chance of rain before 5pm. Mostly cloudy, with a high near 51. West wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Grass Valley, OR is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 20, 2026 9:51 AM PDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Grass Valley, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 9:51 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Valley
Friday looks like the warmest upcoming period in Grass Valley at 62 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Wednesday at about 18 to 26 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 9:51 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain after 5am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
A slight chance of rain before 11am. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
Mostly clear, with a low around 38.
Sunny, with a high near 62.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Chance Light Rain
|
51°F |
18 to 26 mph
W
|
|
Wednesday Night
Apr 22
|
Partly Cloudy then Slight Chance Light Rain
|
37°F |
9 to 23 mph
W
|
|
Thursday
Apr 23
|
Slight Chance Light Rain then Mostly Sunny
|
58°F |
10 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
38°F |
5 to 10 mph
W
|
|
Friday
Apr 24
|
Sunny
|
62°F |
5 to 13 mph
SE
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
41°F |
5 to 13 mph
E
|
|
Saturday
Apr 25
|
Mostly Sunny
|
62°F |
5 to 14 mph
NE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
40°F |
5 to 14 mph
NW
|
|
Sunday
Apr 26
|
Mostly Sunny
|
62°F |
5 to 12 mph
NW
|
|
Sunday Night
Apr 26
|
Partly Cloudy
|
41°F |
7 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Valley.
Nearby forecast pages are not available for this location yet.