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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

59°F

15°C

Humidity 98%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 03 Sep 06:43 AM PDT
Extended Forecast for

San Francisco CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 72. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 72 °F

    Becoming
    Sunny

  • Tonight

    Tonight: A slight chance of rain between 11pm and midnight, then a slight chance of drizzle after midnight. Increasing clouds, with a low around 58. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of drizzle before 11am. Partly sunny, with a high near 70. West southwest wind 7 to 16 mph, with gusts as high as 20 mph.

    High: 70 °F

    Slight Chance
    Drizzle then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 60. West wind 10 to 17 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Slight Chance
    Drizzle

  • Friday

    Friday: Partly sunny, with a high near 70. West wind 10 to 17 mph, with gusts as high as 21 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 72. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
A slight chance of rain between 11pm and midnight, then a slight chance of drizzle after midnight. Increasing clouds, with a low around 58. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A slight chance of drizzle before 11am. Partly sunny, with a high near 70. West southwest wind 7 to 16 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 60. West wind 10 to 17 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 70. West wind 10 to 17 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
Last Update:
1:26 am PDT Sep 3, 2025
Forecast Valid:
7am PDT Sep 3, 2025-6pm PDT Sep 9, 2025
 
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Additional Resources

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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