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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Overcast

47°F

8°C

Humidity 86%
Wind Speed SE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Feb 09:56 PM PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 43. South southeast wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain before 2pm, then a slight chance of rain after 4pm. High near 53. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain then
    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 40. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 11pm. Low around 43. South southeast wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain before 2pm, then a slight chance of rain after 4pm. High near 53. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 40. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 54. Light and variable wind.
Friday Night
Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Saturday
A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain, mainly after 10pm. Low around 50. Chance of precipitation is 80%.
Sunday
Rain. Mostly cloudy, with a high near 63.
Sunday Night
Rain. Mostly cloudy, with a low around 54.
Monday
Rain. Mostly cloudy, with a high near 64.
Monday Night
Rain. Mostly cloudy, with a low around 52.
Tuesday
Rain. Mostly cloudy, with a high near 62.
Tuesday Night
Rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
Last Update:
5:13 pm PST Feb 18, 2026
Forecast Valid:
10pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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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