Grass Valley, OR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Valley, OR in one place.
Mostly sunny. High near 61, with temperatures falling to around 59 in the afternoon. Southwest wind 23 to 26 mph, with gusts as high as 41 mph.
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: Jun 8, 2026 3:34 PM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Grass Valley, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 3:34 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Valley
Sunday looks like the warmest upcoming period in Grass Valley at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Tuesday at about 23 to 26 mph SW.
The forecast from Jun 9 through Jun 14 stays mostly dry.
Forecast Details
- Last updated
- Jun 8, 2026 3:34 PM PDT
- Coverage
- 7 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
Mostly cloudy, with a low around 41. West wind 12 to 23 mph, with gusts as high as 38 mph.
Sunny, with a high near 63. West wind 12 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 41.
Sunny, with a high near 74.
Clear, with a low around 48.
Sunny, with a high near 80.
Clear, with a low around 51.
Sunny, with a high near 84.
Clear, with a low around 57.
Sunny, with a high near 87.
Mostly clear, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
61°F |
23 to 26 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Cloudy
|
41°F |
12 to 23 mph
W
|
|
Wednesday
Jun 10
|
Sunny
|
63°F |
12 to 15 mph
W
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
41°F |
2 to 15 mph
W
|
|
Thursday
Jun 11
|
Sunny
|
74°F |
2 to 8 mph
W
|
|
Thursday Night
Jun 11
|
Clear
|
48°F |
3 to 8 mph
W
|
|
Friday
Jun 12
|
Sunny
|
80°F |
3 to 12 mph
W
|
|
Friday Night
Jun 12
|
Clear
|
51°F |
2 to 12 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
84°F |
2 to 12 mph
NW
|
|
Saturday Night
Jun 13
|
Clear
|
57°F |
2 to 12 mph
NE
|
|
Sunday
Jun 14
|
Sunny
|
87°F |
2 to 16 mph
NE
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
60°F |
2 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Valley.
Nearby forecast pages are not available for this location yet.