Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056° N Lon: 122.42694° W Elev: 150.0 ft.

NA

57°F

14°C

Humidity 84%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 31 Aug 06:43 AM PDT
Detailed forecast for

San Francisco County

Today
Mostly cloudy. A slight chance of drizzle in the morning. Highs in the upper 50s to mid 60s. West winds 10 to 20 mph.
Tonight
Mostly cloudy. A slight chance of drizzle. Lows in the upper 50s. West winds 10 to 20 mph.
Tuesday
Mostly cloudy in the morning then becoming partly cloudy. A slight chance of drizzle in the morning. Highs in the 60s. Southwest winds 5 to 15 mph.
Tuesday Night
Partly cloudy. Lows in the upper 50s. Southwest winds 5 to 15 mph.
Wednesday
Mostly cloudy in the morning then becoming partly cloudy. Highs in the 60s to lower 70s. Southwest winds 5 to 15 mph.
Wednesday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s.
Thursday And Thursday Night
Mostly cloudy. Highs in the 60s to lower 70s. Lows in the upper 50s.
Friday Through Sunday
Partly cloudy. Highs in the 60s to lower 70s. Lows in the upper 50s.



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602 AM PDT Mon Aug 31 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database