Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

60°F

16°C

Humidity 52%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 08 Dec 09:07 AM PST
Extended Forecast for

6 Miles NW Portola Valley CA

  • Today

    Today: Sunny, with a high near 59. North northeast wind 3 to 5 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light north northwest wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

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

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Light north northeast wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. North wind around 5 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. North northeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 44. Light north northwest wind.
Tuesday
Sunny, with a high near 60. North wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 46. Light north northeast wind.
Wednesday
Sunny, with a high near 64. North wind around 5 mph.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Portola Valley CA
 37.43°N 122.29°W (Elev. 1450 ft)
6:22 am PST Dec 8, 2025
10am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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