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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

59°F

15°C

Humidity 85%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 09 Apr 10:43 AM PDT
Extended Forecast for

San Francisco CA

  • Today

    Today: Mostly sunny, with a high near 70. West southwest wind 3 to 8 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. West southwest wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 68. South southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South southwest wind 7 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 65. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 50. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 61. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. West southwest wind 3 to 8 mph.
Tonight
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. West southwest wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 68. South southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. South southwest wind 7 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 65. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 50. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. High near 61. Chance of precipitation is 90%.
Sunday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 49.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 68.
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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:
11:26 am PDT Apr 9, 2026
Forecast Valid:
11am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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