Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

54°F

12°C

Humidity 45%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 19 Jan 10:07 PM PST
Extended Forecast for

4 Miles S Portola Valley CA

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 56. Calm wind.
Tuesday
Partly sunny, with a high near 65. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 53. Calm wind.
Wednesday
Mostly cloudy, with a high near 62. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 50. Calm wind.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.3°N 122.23°W (Elev. 1447 ft)
1:15 pm PST Jan 19, 2026
10pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database