Grass Lake, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, CA in one place.
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. West wind 2 to 14 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Grass Lake, 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 7:43 PM PDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Grass Lake, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 7:43 PM PDT
- Forecast office
- MFR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Lake
Sunday looks like the warmest upcoming period in Grass Lake at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 14 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 7:43 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- MFR
- Radar station
- KMAX
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 48. East northeast wind 3 to 14 mph, with gusts as high as 21 mph.
A slight chance of rain showers between 11am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 69. East northeast wind around 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 49. Chance of precipitation is 20%.
A slight chance of rain showers between 11am and 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny, with a high near 70.
Mostly clear, with a low around 51.
Sunny, with a high near 75.
Clear, with a low around 53.
Sunny, with a high near 78.
Mostly clear, with a low around 55.
Sunny, with a high near 80.
Mostly clear, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
74°F |
2 to 14 mph
W
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
48°F |
3 to 14 mph
ENE
|
|
Wednesday
Sep 16
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
69°F |
6 mph
ENE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
49°F |
6 mph
NE
|
|
Thursday
Sep 17
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
51°F |
5 mph
ESE
|
|
Friday
Sep 18
|
Sunny
|
75°F |
5 mph
NW
|
|
Friday Night
Sep 18
|
Clear
|
53°F |
5 mph
NNE
|
|
Saturday
Sep 19
|
Sunny
|
78°F |
5 mph
NNW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
55°F |
5 mph
ENE
|
|
Sunday
Sep 20
|
Sunny
|
80°F |
6 mph
NNW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
55°F |
6 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Lake.