Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

48°F

9°C

Humidity 55%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 31 Jan 04:07 AM PST
Extended Forecast for

4 Miles S Portola Valley CA

  • Today

    Today: Mostly sunny, with a high near 69. East wind around 5 mph becoming calm  in the morning.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Light south southeast wind.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. North wind 3 to 8 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. North wind 7 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. North wind around 7 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. East wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 52. Light south southeast wind.
Sunday
Partly sunny, with a high near 62. North wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 49. North wind 7 to 9 mph.
Monday
Sunny, with a high near 63. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.31°N 122.2°W (Elev. 1598 ft)
4:03 am PST Jan 31, 2026
4am PST Jan 31, 2026-6pm PST Feb 6, 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