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, San Francisco International Airport (KSFO)

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

Clear

70°F

21°C

Humidity 68%
Wind Speed ENE 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 Mar 02:00 PM PDT
Extended Forecast for

San Francisco International Airport CA

Heat Advisory March 19, 02:20pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 02:20pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. West wind around 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. West northwest wind 6 to 13 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Sunday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 85. North wind around 6 mph becoming west northwest.
Tonight
Clear, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 56. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 71. West northwest wind 6 to 13 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco International Airport CA
 37.62°N 122.37°W (Elev. 3 ft)
2:08 pm PDT Mar 19, 2026
2pm 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