Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

55°F

13°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Apr 08:05 AM PDT
Extended Forecast for

San Bruno CA

  • Today

    Today: Mostly sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Light west southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. South wind around 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 11am.  Partly sunny, with a high near 67. South southeast wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers.  Low around 53. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Light west southwest wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 51. South wind around 10 mph.
Monday
Showers likely, mainly after 11am. Partly sunny, with a high near 67. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers. Low around 53. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 62. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Partly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
San Bruno CA
 37.61°N 122.43°W (Elev. 367 ft)
8:26 am PDT Apr 18, 2026
8am PDT Apr 18, 2026-6pm PDT Apr 24, 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