Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

58°F

14°C

Humidity 90%
Wind Speed WNW 10 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 11:56 PM PDT
Extended Forecast for

San Bruno CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. West wind 3 to 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 69 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 59. West wind 3 to 8 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. West wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. West wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. West wind 3 to 5 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Increasing clouds, with a low around 59. West wind 3 to 8 mph.
Thursday
Mostly cloudy, with a high near 66. West wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 59. West wind 7 to 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
San Bruno CA
 37.64°N 122.4°W (Elev. 49 ft)
11:27 pm PDT Aug 18, 2026
12am PDT Aug 19, 2026-6pm PDT Aug 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