Grass Valley, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Valley, CA in one place.
Sunny, with a high near 78. West southwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Grass Valley, CA 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: May 31, 2026 12:46 AM PDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for Grass Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 12:46 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Valley
Tuesday looks like the warmest upcoming period in Grass Valley at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 2 to 7 mph S.
The forecast from May 31 through Jun 6 stays mostly dry.
Forecast Details
- Last updated
- May 31, 2026 12:46 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear. Low around 54, with temperatures rising to around 56 overnight. North wind around 3 mph.
Sunny, with a high near 82. West southwest wind 1 to 5 mph.
Mostly clear, with a low around 56. East southeast wind around 3 mph.
Sunny, with a high near 84.
Partly cloudy, with a low around 57.
Sunny, with a high near 83.
Clear, with a low around 56.
Sunny, with a high near 83.
Clear, with a low around 57.
Sunny, with a high near 82.
Mostly clear, with a low around 55.
Sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Sunny
|
78°F |
0 to 5 mph
WSW
|
|
Sunday Night
May 31
|
Clear
|
54°F |
3 mph
N
|
|
Monday
Jun 1
|
Sunny
|
82°F |
1 to 5 mph
WSW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
56°F |
3 mph
ESE
|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
1 to 5 mph
SW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
57°F |
3 mph
SE
|
|
Wednesday
Jun 3
|
Sunny
|
83°F |
0 to 6 mph
S
|
|
Wednesday Night
Jun 3
|
Clear
|
56°F |
1 to 5 mph
ESE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
1 to 6 mph
NNW
|
|
Thursday Night
Jun 4
|
Clear
|
57°F |
5 mph
S
|
|
Friday
Jun 5
|
Sunny
|
82°F |
2 to 7 mph
S
|
|
Friday Night
Jun 5
|
Mostly Clear
|
55°F |
2 to 6 mph
SSE
|
|
Saturday
Jun 6
|
Sunny
|
76°F |
2 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Valley.