Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

50°F

10°C

Humidity 79%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 07 Dec 09:07 PM PST
Extended Forecast for

6 Miles WNW Portola Valley CA

  • Tonight

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

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Northeast wind around 6 mph becoming calm  in the morning.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. North wind around 6 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. North northwest wind 3 to 6 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. North northeast wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

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

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Northeast wind around 6 mph.
Monday
Sunny, with a high near 61. Northeast wind around 6 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 47. North wind around 6 mph.
Tuesday
Sunny, with a high near 62. North northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 48. North northeast wind around 6 mph.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Portola Valley CA
 37.4°N 122.31°W (Elev. 2198 ft)
8:31 pm PST Dec 7, 2025
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database