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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

79°F

26°C

Humidity 47%
Wind Speed NNW 17 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Jul 04:47 PM PDT
Extended Forecast for

Atherton CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. West northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Southwest wind 5 to 11 mph becoming north northwest in the morning.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. Southwest wind 3 to 8 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 82. Light west southwest wind becoming west 5 to 9 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. West wind 5 to 10 mph becoming light west southwest after midnight.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 80. Southwest wind 5 to 11 mph becoming north northwest in the morning.
Wednesday Night
Increasing clouds, with a low around 57. Southwest wind 3 to 8 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 82. Light west southwest wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 57. West wind 5 to 10 mph becoming light west southwest after midnight.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.45°N 122.18°W (Elev. 95 ft)
Last Update:
1:26 pm PDT Jul 28, 2026
Forecast Valid:
5pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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Chance of Precipitation