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Foster, California Weather Forecast
Foster, California Weather
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Weather Forecast for Foster, California : San Diego County
Issued: 2:24 am PST Dec 18, 2025 Latitude: 32.9083813 Longitude: -116.9261385 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on This Afternoon Mostly Clear on Tonight Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Morning Fog on Monday 20% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 86°F Low: 54°F High: 80°F High: 76°F High: 77°F High: 75°F High: 72°F High: 72°F
Low: 51°F Low: 52°F Low: 51°F Low: 51°F Low: 54°F  
Sunny Mostly Clear Sunny Sunny Mostly Sunny Morning Fog Rain Rain
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Current Conditions at
RAMONA - (KRNM)
82°
Clear
as of 11:53 AM PST
Rel. Humidity: 20%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SAN DIEGO MONTGOMERY - (KMYF)
75°
Clear
as of 11:53 AM PST
Rel. Humidity: 38%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MIRAMAR MCAS - (KNKX)
73°
Clear
as of 11:55 AM PST
Rel. Humidity: 40%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
SAN DIEGO INTL - (KSAN)
72°
Mostly Cloudy
as of 11:51 AM PST
Rel. Humidity: 53%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Broken at 25000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 86. West wind 5 to 10 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 54. Calm wind.

Sunny on Friday Friday... Sunny, with a high near 80. Southeast wind 5 to 10 mph becoming west in the afternoon.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 51. Calm wind.

Sunny on Saturday Saturday... Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

Patchy Fog on Saturday Night Saturday Night... Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 52.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 77.

Patchy Fog on Sunday Night Sunday Night... Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 51.

Morning Fog on Monday Monday... Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 51.

20% chance of rain Tuesday Tuesday... A chance of rain. Partly sunny, with a high near 72.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. The rain could be heavy at times. Mostly cloudy, with a low around 54.

70% chance of rain Wednesday Wednesday... Rain likely. The rain could be heavy at times. Mostly cloudy, with a high near 72.

Current Radar Image


Sun Almanac for Foster, California
Sunrise: 06:45 AM
Sunset: 4:44 PM
Civil Sunrise:06:18 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 6:12 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.