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

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

64°F

18°C

Humidity 92%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 62°F (17°C)
Visibility NA
Last update 24 Sep 02:43 AM PDT
Extended Forecast for

4 Miles NW San Francisco CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Southwest wind around 13 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly cloudy, with a high near 67. Southwest wind around 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. West southwest wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 64. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Southwest wind around 13 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly cloudy, with a high near 67. Southwest wind around 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. West southwest wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 64. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 58. West wind 7 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly cloudy, with a high near 64.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW San Francisco CA
 37.81°N 122.48°W (Elev. 0 ft)
Last Update:
2:10 am PDT Sep 24, 2025
Forecast Valid:
3am PDT Sep 24, 2025-6pm PDT Sep 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation