Grass Valley, CA Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Valley, CA in one place.
Clear. Low around 68, with temperatures rising to around 70 overnight. East wind around 3 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: Jul 15, 2026 2:40 AM PDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Grass Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 2:40 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Valley
Wednesday looks like the warmest upcoming period in Grass Valley at 94 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 6 mph WSW.
The forecast from Jul 15 through Jul 21 stays mostly dry.
Forecast Details
- Last updated
- Jul 15, 2026 2:40 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
Sunny, with a high near 94. West southwest wind 2 to 6 mph.
Clear. Low around 66, with temperatures rising to around 68 overnight. South southeast wind around 5 mph.
Sunny, with a high near 90. South wind 1 to 6 mph.
Mostly clear, with a low around 61. Southeast wind 2 to 6 mph.
Sunny, with a high near 88.
Mostly clear, with a low around 61.
Sunny, with a high near 87.
Partly cloudy, with a low around 63.
Partly sunny, with a high near 86.
Mostly cloudy, with a low around 64.
Partly sunny, with a high near 84.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Clear
|
68°F |
3 mph
E
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
2 to 6 mph
WSW
|
|
Wednesday Night
Jul 15
|
Clear
|
66°F |
5 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
1 to 6 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
61°F |
2 to 6 mph
SE
|
|
Friday
Jul 17
|
Sunny
|
88°F |
2 to 6 mph
S
|
|
Friday Night
Jul 17
|
Mostly Clear
|
61°F |
1 to 6 mph
SE
|
|
Saturday
Jul 18
|
Sunny
|
87°F |
1 to 5 mph
S
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
63°F |
0 to 5 mph
ESE
|
|
Sunday
Jul 19
|
Partly Sunny
|
86°F |
0 to 5 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Cloudy
|
64°F |
0 to 5 mph
SE
|
|
Monday
Jul 20
|
Partly Sunny
|
84°F |
0 to 5 mph
WSW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
62°F |
0 to 5 mph
ESE
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
86°F |
0 to 5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Valley.
