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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 >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

NA

51°F

11°C

Humidity 71%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 07 Nov 07:10 AM PST
Extended Forecast for

2 Miles NE Portola Valley CA

Coastal Flood Advisory November 7, 07:30am until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 7, 07:30am until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Today

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the morning.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 51. Calm wind.
Monday
Mostly sunny, with a high near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Veterans Day
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
A slight chance of rain. Mostly sunny, with a high near 72.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Friday
A chance of rain. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Portola Valley CA
 37.4°N 122.2°W (Elev. 397 ft)
Last Update:
3:01 am PST Nov 7, 2026
Forecast Valid:
7am PST Nov 7, 2026-6pm PST Nov 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation