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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Mostly Cloudy

64°F

18°C

Humidity 63%
Wind Speed NW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 08:47 AM PDT
Extended Forecast for

Atherton CA

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 75 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °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 84.

    High: 84 °F

    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.44°N 122.21°W (Elev. 187 ft)
Last Update:
1:26 am PDT Jun 20, 2026
Forecast Valid:
9am PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation