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 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.

Mostly Cloudy

50°F

10°C

Humidity 65%
Wind Speed WSW 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Feb 05:56 PM PST
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Rain, mainly after 9pm. Low around 44. West southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain

  • Thursday

    Thursday: Rain before 1pm, then a slight chance of rain after 4pm. High near 53. Breezy, with a west northwest wind 18 to 24 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

    Breezy. Rain
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 42. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Rain

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 55.

    Low: 55 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 9pm. Low around 44. West southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain before 1pm, then a slight chance of rain after 4pm. High near 53. Breezy, with a west northwest wind 18 to 24 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 42. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 53. Light and variable wind.
Friday Night
Partly cloudy, with a low around 43. 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 58. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain, mainly after 10pm. Low around 51. Chance of precipitation is 80%.
Sunday
Rain. Mostly cloudy, with a high near 61.
Sunday Night
Rain. Cloudy, with a low around 55.
Monday
Rain. Mostly cloudy, with a high near 62.
Monday Night
Rain. Mostly cloudy, with a low around 53.
Tuesday
Rain. Mostly cloudy, with a high near 61.
Tuesday Night
Rain. Mostly cloudy, with a low around 50.
Wednesday
Rain likely. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
Last Update:
5:13 pm PST Feb 18, 2026
Forecast Valid:
6pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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