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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

58°F

14°C

Humidity 73%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 18 Mar 10:43 PM PDT
Extended Forecast for

San Francisco CA

Heat Advisory March 18, 11:56pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:56pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. West wind 3 to 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77.

    High: 77 °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 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Light west wind.
Thursday
Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 57. West wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.75°N 122.43°W (Elev. 197 ft)
Last Update:
9:21 pm PDT Mar 18, 2026
Forecast Valid:
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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