Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Mostly Cloudy

68°F

20°C

Humidity 77%
Wind Speed WSW 4 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 03 Sep 08:47 PM PDT
Extended Forecast for

San Carlos CA

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 56. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 56 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 72. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. West northwest wind 8 to 13 mph becoming light west  in the evening. Winds could gust as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 73. Light west wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West northwest wind 9 to 14 mph becoming light west  after midnight. Winds could gust as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 56. West wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 72. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 55. West northwest wind 8 to 13 mph becoming light west in the evening. Winds could gust as high as 21 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 73. Light west wind becoming west northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. West northwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 55.
Labor Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A slight chance of rain. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.28°W (Elev. 200 ft)
1:26 pm PDT Sep 3, 2026
9pm PDT Sep 3, 2026-6pm PDT Sep 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database