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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

70°F

21°C

Humidity 56%
Wind Speed NNW 9 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Jul 07:47 PM PDT
Extended Forecast for

Atherton CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming west northwest 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Southwest wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light west southwest wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. West southwest wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

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

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West northwest wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 82. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 56. Southwest wind 3 to 7 mph.
Friday
Sunny, with a high near 86. Light west southwest wind becoming west northwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. West southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.45°N 122.18°W (Elev. 95 ft)
Last Update:
1:25 pm PDT Jul 29, 2026
Forecast Valid:
8pm PDT Jul 29, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation