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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

61°F

16°C

Humidity 39%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 27 Jan 11:07 AM PST
Extended Forecast for

Portola Valley CA

  • Today

    Today: Increasing clouds, with a high near 62. South southwest wind 11 to 17 mph, with gusts as high as 21 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of rain. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 47. South southwest wind 6 to 16 mph.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 7 mph.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Light north northeast wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 62. South southwest wind 11 to 17 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of rain. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 47. South southwest wind 6 to 16 mph.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 43. Light north northeast wind.
Thursday
Mostly sunny, with a high near 64. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A slight chance of rain. Partly sunny, with a high near 64.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.37°N 122.22°W (Elev. 597 ft)
Last Update:
7:33 am PST Jan 27, 2026
Forecast Valid:
11am PST Jan 27, 2026-6pm PST Feb 2, 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