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.

Clear

54°F

12°C

Humidity 87%
Wind Speed WNW 9 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 19 Apr 04:00 AM PDT
Extended Forecast for

San Bruno CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of rain after 3am.  Partly cloudy, with a low around 54. Southwest wind around 8 mph becoming south southeast after midnight.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 65. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 54. South wind 6 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 61. South wind 6 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tonight
A 20 percent chance of rain after 3am. Partly cloudy, with a low around 54. Southwest wind around 8 mph becoming south southeast after midnight.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. South southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 54. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 61. South wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Bruno CA
 37.64°N 122.4°W (Elev. 49 ft)
3:56 am PDT Apr 19, 2026
4am PDT Apr 19, 2026-6pm PDT Apr 25, 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