Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed WNW 10 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Sep 08:47 PM PDT
Extended Forecast for

San Carlos CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 77. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 80. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. West wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. West wind 3 to 8 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

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

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 77. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 80. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 56. West wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 73. West wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.28°W (Elev. 200 ft)
1:26 am PDT Sep 18, 2026
4am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database