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

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

36°F

2°C

Humidity 95%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Feb 04:07 AM PST
Extended Forecast for

4 Miles S Portola Valley CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. South wind around 10 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South southeast wind around 9 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South southeast wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Cloudy, with a low around 55.

    Low: 55 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. South wind around 10 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 45. South southeast wind around 9 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 61. South southeast wind 6 to 8 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 48. Calm wind.
Monday
Mostly sunny, with a high near 66. Calm wind.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 61. Chance of precipitation is 80%.
Tuesday Night
Rain, mainly before 4am. Cloudy, with a low around 55.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 64.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.3°N 122.23°W (Elev. 1447 ft)
Last Update:
12:26 pm PST Feb 21, 2026
Forecast Valid:
1pm PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation