Grass Flat, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Flat, CA in one place.
Sunny. High near 71, with temperatures falling to around 68 in the afternoon. South southeast wind 3 to 7 mph.
Local Weather Overview
This forecast page for Grass Flat, 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: Sep 14, 2026 6:05 PM PDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Grass Flat, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:05 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Flat
Saturday looks like the warmest upcoming period in Grass Flat at 76 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday at about 2 to 9 mph NW.
The forecast from Sep 15 through Sep 20 stays mostly dry.
Forecast Details
- Last updated
- Sep 14, 2026 6:05 PM 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
Mostly clear, with a low around 49. East southeast wind around 5 mph.
Sunny, with a high near 65. South southeast wind 3 to 8 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 46.
Sunny, with a high near 63.
Clear, with a low around 46.
Sunny, with a high near 72.
Clear, with a low around 50.
Sunny, with a high near 76.
Mostly clear, with a low around 52.
Sunny, with a high near 76.
Mostly clear, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
71°F |
3 to 7 mph
SSE
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
49°F |
5 mph
ESE
|
|
Wednesday
Sep 16
|
Sunny
|
65°F |
3 to 8 mph
SSE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
46°F |
2 to 7 mph
SE
|
|
Thursday
Sep 17
|
Sunny
|
63°F |
5 mph
S
|
|
Thursday Night
Sep 17
|
Clear
|
46°F |
1 to 6 mph
NE
|
|
Friday
Sep 18
|
Sunny
|
72°F |
1 to 8 mph
NNW
|
|
Friday Night
Sep 18
|
Clear
|
50°F |
3 to 8 mph
NNW
|
|
Saturday
Sep 19
|
Sunny
|
76°F |
2 to 9 mph
NW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
52°F |
7 mph
NE
|
|
Sunday
Sep 20
|
Sunny
|
76°F |
5 mph
SE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
51°F |
5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Flat.
Nearby forecast pages are not available for this location yet.