Foster, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Foster, CA in one place.
Sunny. High near 78, with temperatures falling to around 75 in the afternoon. West wind 1 to 9 mph.
Local Weather Overview
This forecast page for Foster, 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 Foster, 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 Foster
Sunday looks like the warmest upcoming period in Foster at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 9 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 50. Northeast wind 2 to 8 mph.
A chance of rain showers between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 72. East northeast wind 2 to 7 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 52. 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. Sunny, with a high near 73.
Mostly clear, with a low around 53.
Sunny, with a high near 79.
Clear, with a low around 57.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Sunny, with a high near 84.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
78°F |
1 to 9 mph
W
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
50°F |
2 to 8 mph
NE
|
|
Wednesday
Sep 16
|
Chance Rain Showers
|
72°F |
2 to 7 mph
ENE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
52°F |
2 to 6 mph
ESE
|
|
Thursday
Sep 17
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
73°F |
2 to 6 mph
SSW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
53°F |
1 to 6 mph
SE
|
|
Friday
Sep 18
|
Sunny
|
79°F |
2 to 7 mph
NE
|
|
Friday Night
Sep 18
|
Clear
|
57°F |
1 to 7 mph
ENE
|
|
Saturday
Sep 19
|
Sunny
|
82°F |
3 to 7 mph
NE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
58°F |
2 to 7 mph
NNE
|
|
Sunday
Sep 20
|
Sunny
|
84°F |
2 to 7 mph
NE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
58°F |
2 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Foster.