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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

54°F

12°C

Humidity 93%
Wind Speed WNW 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 09 Mar 01:35 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Otherwise, sunny, with a high near 69. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 69 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West wind 5 to 8 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West northwest wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. West northwest wind 5 to 10 mph becoming light northwest after midnight.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.
Monday
Areas of fog before 10am. Otherwise, sunny, with a high near 69. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47. West wind 5 to 8 mph.
Tuesday
Sunny, with a high near 65. West northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 46. West northwest wind 5 to 10 mph becoming light northwest after midnight.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 70.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 74.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 50.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 73.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 50.
Saturday
Patchy fog. Otherwise, sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.54°N 122.32°W (Elev. 194 ft)
Last Update:
1:26 am PDT Mar 9, 2026
Forecast Valid:
1am PDT Mar 9, 2026-6pm PDT Mar 15, 2026
 
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Additional Resources

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