Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

62°F

17°C

Humidity 69%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 12 Nov 08:07 PM PST
Extended Forecast for

Portola Valley CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 3am.  Mostly cloudy, with a low around 52. South southwest wind 13 to 16 mph, with gusts as high as 31 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 4pm, then rain likely.  Temperature falling to around 49 by 5pm. West southwest wind 14 to 20 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F⇓

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain between 11pm and 2am.  Mostly cloudy, with a steady temperature around 49. West southwest wind around 6 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain between 7am and 10am.  Patchy fog between 9am and 10am.  Otherwise, partly sunny, with a high near 59. Calm wind.  Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 58. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am.  Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Monday

    Monday: A chance of rain, mainly before 10am.  Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 52. South southwest wind 13 to 16 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and possibly a thunderstorm before 4pm, then rain likely. Temperature falling to around 49 by 5pm. West southwest wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 30 percent chance of rain between 11pm and 2am. Mostly cloudy, with a steady temperature around 49. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain between 7am and 10am. Patchy fog between 9am and 10am. Otherwise, partly sunny, with a high near 59. Calm wind. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 47. Calm wind becoming south southeast around 6 mph in the evening.
Sunday
Rain, mainly after 10am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 47. Chance of precipitation is 90%.
Monday
A chance of rain, mainly before 10am. Mostly sunny, with a high near 54.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 54.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
8:36 pm PST Nov 12, 2026
9pm PST Nov 12, 2026-6pm PST Nov 19, 2026
 
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Additional Resources

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