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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

47°F

8°C

Humidity 100%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 18 Nov 06:07 AM PST
Extended Forecast for

6 Miles NW Portola Valley CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 58. Northeast wind 5 to 9 mph becoming west in the afternoon.

    High: 58 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West southwest wind 8 to 11 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. South southwest wind around 5 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 48. South wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 56. South wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 58. Northeast wind 5 to 9 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 46. West southwest wind 8 to 11 mph.
Wednesday
Partly sunny, with a high near 55. South southwest wind around 5 mph.
Wednesday Night
Rain, mainly after 10pm. Low around 48. South wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 4pm. High near 56. South wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.
Friday
Sunny, with a high near 59.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Portola Valley CA
 37.43°N 122.29°W (Elev. 1450 ft)
Last Update:
1:59 am PST Nov 18, 2025
Forecast Valid:
7am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation