Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

56°F

13°C

Humidity 77%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 19 Mar 07:43 AM PDT
Extended Forecast for

San Francisco CA

Heat Advisory March 19, 08:48am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 08:48am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 57. West wind around 6 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 57. West wind around 6 mph.
Saturday
Partly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.75°N 122.4°W (Elev. 197 ft)
5:12 am PDT Mar 19, 2026
8am PDT Mar 19, 2026-6pm PDT Mar 25, 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