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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Mostly Cloudy

54°F

12°C

Humidity 76%
Wind Speed WSW 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Nov 08:47 PM PST
Extended Forecast for

Atherton CA

  • Overnight

    Overnight: A 50 percent chance of rain. Mostly cloudy, with a low around 47. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 62 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Calm wind becoming southeast around 6 mph after midnight.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. Light and variable wind becoming southeast around 5 mph in the morning.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 10am. High near 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 47. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind becoming southeast around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 62. Light and variable wind becoming southeast around 5 mph in the morning.
Wednesday Night
Rain, mainly after 10pm. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 10am. High near 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.47°N 122.19°W (Elev. 66 ft)
Last Update:
1:59 am PST Nov 18, 2025
Forecast Valid:
3am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation