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

Severe Weather in the Central U.S.; Critical Fire Weather in the Southern Plains

Severe thunderstorms are expected to form today from northern Oklahoma into southern Minnesota. Very large hail and tornadoes will be the initial threats this afternoon, then transition into a wind threat tonight. Gusty winds, warm temperatures, and very dry conditions will create a Critical Risk of fire weather across portions of the southern Plains today. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

43°F

6°C

Humidity 100%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 23 Apr 07:07 AM PDT
Extended Forecast for

Portola Valley CA

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. West wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. West wind 5 to 7 mph becoming calm in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 47. West wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 47. West wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.37°N 122.22°W (Elev. 597 ft)
Last Update:
2:52 am PDT Apr 23, 2026
Forecast Valid:
8am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
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