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, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Clear

68°F

20°C

Humidity 49%
Wind Speed WNW 20 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 May 02:20 PM PDT
Extended Forecast for

San Bruno CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. West wind around 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 3 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 68. Light west southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. South southwest wind 6 to 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 68. West wind around 10 mph.
Tonight
Partly cloudy, with a low around 50. West wind 3 to 7 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 68. Light west southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 52. South southwest wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 67. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Bruno CA
 37.63°N 122.43°W (Elev. 197 ft)
1:26 pm PDT May 21, 2026
2pm PDT May 21, 2026-6pm PDT May 27, 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