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 >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

63°F

17°C

Humidity 68%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 01 Aug 08:43 PM PDT
Extended Forecast for

San Francisco CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 5 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light south wind becoming west 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 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light south southwest 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. Southwest wind 5 to 11 mph.

    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

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 77. Light south wind becoming west 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. South southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 76. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. Southwest wind 5 to 11 mph.
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.
Friday Night
Mostly clear, with a low around 59.
Saturday
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:
8:32 pm PDT Aug 1, 2026
Forecast Valid:
9pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation