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

Critical Fire Weather in the High Plains; Heavy Rain and High Winds in Hawaii

Gusty winds and low relative humidity will bring widespread critical fire weather today across the central and southern High Plains. Heavy rain and thunderstorms may bring flooding to Hawaii through today. High winds across the islands may result in high surf, power outages, property damage, and difficult travel. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Mostly Cloudy

55°F

13°C

Humidity 77%
Wind Speed N 5 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 09 Feb 09:56 AM PST
Extended Forecast for

Foster City CA

  • Today

    Today: Mostly cloudy, with a high near 64. North northwest wind around 7 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 1pm. High near 62. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Low around 50. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Rain likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then rain likely after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of rain before 10am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain and
    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 64. North northwest wind around 7 mph.
Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 48. Calm wind.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 1pm. High near 62. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Low around 50. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then rain likely after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of rain, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain before 10am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 61.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 60.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
Last Update:
12:53 am PST Feb 9, 2026
Forecast Valid:
10am PST Feb 9, 2026-6pm PST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation