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Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

62°F

17°C

Humidity 60%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 21 May 01:43 PM PDT
Extended Forecast for

San Francisco CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West wind 8 to 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Light southwest wind becoming west southwest 6 to 11 mph in the morning.

    High: 64 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Southwest wind 7 to 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Southwest wind 6 to 11 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light southwest wind becoming west southwest 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 53. Southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 67. Southwest wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
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:
1:26 pm PDT May 21, 2026
Forecast Valid:
2pm PDT May 21, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation