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

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

54°F

12°C

Humidity 82%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 02 May 05:07 PM PDT
Extended Forecast for

Portola Valley CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 75.
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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:
1:51 pm PDT May 2, 2026
Forecast Valid:
6pm PDT May 2, 2026-6pm PDT May 9, 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