Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

45°F

7°C

Humidity 84%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 28 Dec 09:07 AM PST
Extended Forecast for

Portola Valley CA

  • Today

    Today: Sunny, with a high near 56. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. North northeast wind 3 to 5 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Northeast wind around 6 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Light east northeast wind.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northeast wind 3 to 5 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 56. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 37. North northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 57. Northeast wind around 6 mph.
Monday Night
Clear, with a low around 39. Light east northeast wind.
Tuesday
Sunny, with a high near 60. Northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 59.
Wednesday Night
A chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46.
New Year's Day
Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.
Thursday Night
Rain likely. Mostly cloudy, with a low around 50.
Friday
Rain likely. Mostly cloudy, with a high near 60.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.37°N 122.22°W (Elev. 597 ft)
6:40 am PST Dec 28, 2025
9am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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