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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

74°F

23°C

Humidity 47%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 01 Aug 01:43 PM PDT
Extended Forecast for

San Francisco CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West wind around 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. West southwest wind 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light south wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. South southwest wind 6 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light south wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West wind around 10 mph.
Tonight
Mostly clear, with a low around 57. West southwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 77. Light south wind becoming west southwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. South southwest wind 6 to 10 mph.
Monday
Sunny, with a high near 76. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
Last Update:
2:05 pm PDT Aug 1, 2026
Forecast Valid:
2pm PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
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Additional Resources

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Chance of Precipitation