Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

55°F

13°C

Humidity 78%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 07 Nov 10:10 PM PST
Extended Forecast for

Portola Valley CA

  • Tonight

    Tonight: Increasing clouds, with a low around 53. West wind around 5 mph becoming calm.

    Low: 53 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Light north wind.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. West wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 69. Light north wind.
Sunday Night
Partly cloudy, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 70. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 54. North wind 3 to 6 mph.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 53.
Veterans Day
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 54.
Friday
A slight chance of rain. Mostly sunny, with a high near 66.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Saturday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
10:26 pm PST Nov 7, 2026
11pm PST Nov 7, 2026-6pm PST Nov 14, 2026
 
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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