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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

66°F

19°C

Humidity 68%
Wind Speed W 13 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 08:47 PM PDT
Extended Forecast for

Atherton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Light west northwest wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West northwest wind 5 to 9 mph becoming light west after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

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

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

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

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Light west northwest wind.
Monday
Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. West northwest wind 5 to 9 mph becoming light west after midnight.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 83.
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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 pm PDT Aug 17, 2025
Forecast Valid:
12am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation