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

Tropical Storm Bertha in the Gulf; Severe Weather in the East on Tuesday

Tropical Storm Bertha could bring tropical storm conditions to portions of the Florida Panhandle and Alabama coast through Wednesday, where a Tropical Storm Watch and Storm Surge Watch is in effect. Numerous severe thunderstorms with heavy rainfall are expected from the Ohio Valley into the Mid-Atlantic and Northeast Tuesday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

70°F

21°C

Humidity 60%
Wind Speed NW 13 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jul 07:00 PM PDT
Extended Forecast for

San Mateo CASimilar City Names

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 88 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. West wind 6 to 11 mph becoming light in the evening.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. West wind 6 to 11 mph becoming light in the evening.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CASimilar City Names
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
2:10 pm PDT Jul 20, 2026
Forecast Valid:
7pm PDT Jul 20, 2026-6pm PDT Jul 27, 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