Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Partly Cloudy

61°F

16°C

Humidity 87%
Wind Speed NNW 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 08:47 PM PDT
Extended Forecast for

San Carlos CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 75. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Increasing clouds, with a low around 58. West wind 5 to 9 mph becoming light  after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 78. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. West wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 75. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Increasing clouds, with a low around 58. West wind 5 to 9 mph becoming light after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 78. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 59. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.25°W (Elev. 82 ft)
12:21 am PDT Aug 21, 2026
12am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database