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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Partly Cloudy

61°F

16°C

Humidity 41%
Wind Speed SSE 12 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 21 Feb 01:47 PM PST
Extended Forecast for

Atherton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. South wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southeast wind 7 to 9 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Cloudy, with a low around 54.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 60. South wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 45. Southeast wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Monday
Mostly sunny, with a high near 68. Calm wind.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 64. Chance of precipitation is 80%.
Tuesday Night
Rain, mainly before 4am. Cloudy, with a low around 54.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.45°N 122.18°W (Elev. 95 ft)
Last Update:
12:26 pm PST Feb 21, 2026
Forecast Valid:
2pm PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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