Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

54°F

12°C

Humidity 76%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 20 May 01:43 AM PDT
Extended Forecast for

San Francisco CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Southwest wind 5 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Light southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Southwest wind 7 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 51. Southwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 68. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 51. Southwest wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.79°N 122.44°W (Elev. 217 ft)
1:26 am PDT May 20, 2026
2am PDT May 20, 2026-6pm PDT May 26, 2026
 
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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