National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Overcast

64°F

18°C

Humidity 67%
Wind Speed ESE 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Mar 08:00 PM PDT
Extended Forecast for

San Bruno CA

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 53. West southwest wind 3 to 6 mph.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 66. Southwest wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 53. Southwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 48. West northwest wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 11am. Sunny, with a high near 62.

    High: 62 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 53. West southwest wind 3 to 6 mph.
Tuesday
A 40 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 66. Southwest wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53. Southwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 48. West northwest wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain before 11am. Sunny, with a high near 62.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Bruno CA
 37.61°N 122.43°W (Elev. 367 ft)
Last Update:
1:25 pm PDT Mar 30, 2026
Forecast Valid:
8pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation