National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10ft.

Partly Cloudy

43°F

6°C

Humidity 86%
Wind Speed WSW 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 08 Dec 01:50 AM PST
Extended Forecast for

Foster City CA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Calm wind.

    Partly Cloudy

    Low: 42 °F

  • Thursday

    Thursday: Rain, mainly after 4pm. High near 59. South wind 5 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Rain

    High: 59 °F

  • Thursday
    Night

    Thursday Night: Rain, mainly before 10pm. Low around 43. West wind 5 to 10 mph becoming light northwest after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Rain then
    Chance Rain

    Low: 43 °F

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 57. Light and variable wind.

    Slight Chance
    Rain

    High: 57 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South southeast wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    Low: 46 °F

  • Saturday

    Saturday: Rain. High near 59. Windy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Rain and
    Windy

    High: 59 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce small hail. Low around 45. Chance of precipitation is 100%.

    Showers

    Low: 45 °F

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 54.

    Rain

    High: 54 °F

  • Sunday
    Night

    Sunday Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 40.

    Chance Rain

    Low: 40 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Calm wind.
Thursday
Rain, mainly after 4pm. High near 59. South wind 5 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly before 10pm. Low around 43. West wind 5 to 10 mph becoming light northwest after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 57. Light and variable wind.
Friday Night
A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South southeast wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 59. Windy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce small hail. Low around 45. Chance of precipitation is 100%.
Sunday
Rain. Mostly cloudy, with a high near 54.
Sunday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 40.
Monday
A slight chance of rain before 10am. Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 54.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
Last Update:
1:22 am PST Dec 8, 2022
Forecast Valid:
2am PST Dec 8, 2022-6pm PST Dec 14, 2022
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation