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

53°F

12°C

Humidity 69%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 27 Dec 04:07 PM PST
Extended Forecast for

4 Miles S Portola Valley CA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 45. Northeast wind around 6 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. North northeast wind around 6 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a steady temperature around 45. Northeast wind around 9 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. Northeast wind 6 to 9 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. East northeast wind around 7 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 10am.  Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 45. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 49. North northeast wind around 6 mph.
Sunday Night
Clear, with a steady temperature around 45. Northeast wind around 9 mph.
Monday
Sunny, with a high near 53. Northeast wind 6 to 9 mph.
Monday Night
Clear, with a low around 43. East northeast wind around 7 mph.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A slight chance of rain after 10am. Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
New Year's Day
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.33°N 122.21°W (Elev. 2231 ft)
12:27 pm PST Dec 27, 2025
4pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database