Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Partly Cloudy

59°F

15°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Aug 06:55 AM PDT
Extended Forecast for

Atherton CA

  • Today

    Today: A 20 percent chance of showers.  Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers.  Mostly cloudy, with a low around 62. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Cloudy, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming light west  after midnight.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Light west wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 62. West northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Cloudy, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming light west after midnight.
Saturday
Mostly sunny, with a high near 76. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.44°N 122.21°W (Elev. 187 ft)
6:47 am PDT Aug 27, 2026
7am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database