Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

55°F

13°C

Humidity 82%
Wind Speed W 11 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 08 Apr 03:35 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 73 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 55. West southwest wind 5 to 7 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain

  • Friday

    Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
1:26 am PDT Apr 8, 2026
3am PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
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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