Foster, CA

Unincorporated community in San Diego County, California

Foster is a small unincorporated community in San Diego County, California. It is 2.0 miles SW of Eucalyptus Hills, the nearest town. Its ZIP code is 92040.

Foster at a glance

State
California
County
San Diego County
ZIP code
92040
Nearest town
Eucalyptus Hills (2.0 mi)
Time zone
America/Los Angeles
Coordinates
32.9083, -116.9253

Weather in Foster now

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Foster weather by the hour

Foster weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Foster.

This week in Foster

Sunrise, sunset and moon in Foster

What is the weather usually like in Foster?

Csa
Hot-summer Mediterranean climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

36°53°69°86°102°72°41°Jan72°41°Feb74°43°Mar79°45°Apr83°51°May90°50°Jun95°56°Jul97°58°Aug94°55°Sep88°51°Oct79°45°Nov71°41°Dec

Average precipitation (inches)

3.2"Jan3.6"Feb2.8"Mar1.3"Apr0.5"May0.1"Jun0.1"Jul0.1"Aug0.1"Sep0.8"Oct1.0"Nov2.3"Dec

Best time to visit Foster: March to May and November, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station EL CAPITAN DAM, CA US (USC00042709), adjusted for the elevation of Foster.

Foster weather month by month

January
72° 41°F
3.2 in of rain · 5 wet days
February
72° 41°F
3.6 in of rain · 6 wet days
March
74° 43°F
2.8 in of rain · 5 wet days
April
79° 45°F
1.3 in of rain · 3 wet days
May
83° 51°F
0.5 in of rain · 1 wet days
June
90° 50°F
0.1 in of rain · under 1 wet day
July
95° 56°F
0.1 in of rain · under 1 wet day
August
97° 58°F
0.1 in of rain · under 1 wet day
September
94° 55°F
0.1 in of rain · under 1 wet day
October
88° 51°F
0.8 in of rain · 1 wet days
November
79° 45°F
1.0 in of rain · 3 wet days
December
71° 41°F
2.3 in of rain · 5 wet days

Sunrise and sunset in Foster through the year

MonthSunriseSunsetDaylight
January6:48 AM5:05 PM10 h 16 min
February6:29 AM5:34 PM11 h 5 min
March6:56 AM6:56 PM12 h 0 min
April6:16 AM7:19 PM13 h 3 min
May5:46 AM7:41 PM13 h 54 min
June5:37 AM7:59 PM14 h 21 min
July5:49 AM7:58 PM14 h 9 min
August6:09 AM7:34 PM13 h 24 min
September6:30 AM6:55 PM12 h 24 min
October6:50 AM6:15 PM11 h 24 min
November6:17 AM4:47 PM10 h 30 min
December6:41 AM4:44 PM10 h 2 min

Times for the 15th of each month, local time (America/Los Angeles).

What is the weather like in Foster?

Foster has a hot-summer mediterranean climate. The warmest month is August, with an average high of 97°F (36°C), and the coldest is December, with average lows of 41°F (5°C).

It gets about 16.0 inches (407 mm) of precipitation a year. The wettest month is February and the driest is June.

The best time to visit Foster is March to May and November. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Foster

The closest live webcam is Riverview › South: C224) SB 67: Winter Garden OC, 3.5 miles S of Foster.

Riverview › South: C224) SB 67: Winter Garden OCunknown · 3.5 mi SOn Windy
SR-67 · Winter Garden OCSR-67 South · Lakeside · 3.5 mi S
Riverview › North: C225) NB 67: Winter Gardensunknown · 3.5 mi SOn Windy
SR-67 · Winter GardensSR-67 North · Lakeside · 3.5 mi S
Poway: Sycamore Creek: C226) NB 67: Scripps Poway BottomPoway · 4.1 mi NWOn Windy
Poway: Sycamore Creek › North: C227) NB 67: Scripps Poway TopPoway · 4.1 mi NWOn Windy
SR-67 · Scripps Poway BottomSR-67 · Lakeside · 4.1 mi NW
SR-67 · Scripps Poway TopSR-67 North · Lakeside · 4.1 mi NW
SR-67 · Just North of Iron Mtn_TopSR-67 North · Poway · 4.9 mi NW

Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Foster.

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Map of Foster, CA

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Foster Street View

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Towns near Foster

Other communities near Foster

Questions about Foster

Where is Foster, CA?

Foster is an unincorporated community in San Diego County, California, 2.0 miles SW of Eucalyptus Hills.

What county is Foster in?

Foster is in San Diego County, California.

What is the ZIP code of Foster, CA?

The ZIP code for Foster is 92040.

What is the nearest town to Foster?

Eucalyptus Hills, 2.0 miles away.

Are there webcams near Foster?

Yes. The closest is Riverview › South: C224) SB 67: Winter Garden OC, 3.5 miles away.

What is the hottest month in Foster?

August, with an average high of 97°F (36°C).

What is the coldest month in Foster?

December, with an average low of 41°F (5°C).

How much does it rain in Foster?

About 16.0 inches (407 mm) a year; the wettest month is February.

Does it snow in Foster?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Foster?

March to May and November, when temperatures are most pleasant and rainy days are fewer.

What climate does Foster have?

Hot-summer mediterranean (Köppen Csa).

Last updated: