Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

64°F

18°C

Humidity 69%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 20 Mar 07:43 AM PDT
Extended Forecast for

San Francisco CA

Heat Advisory March 20, 08:14am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 08:14am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 77. West wind 5 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. West wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 56. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 77. West wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 53. West wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 72. West wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
2:22 am PDT Mar 20, 2026
8am PDT Mar 20, 2026-6pm PDT Mar 26, 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