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

Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

73°F

23°C

Humidity 58%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 01 Nov 01:10 PM PDT
Extended Forecast for

2 Miles NNE Portola Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. North wind 6 to 8 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming light west in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 68.

    High: 68 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 76. North wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 53. West wind around 6 mph.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming light west in the evening.
Monday
Sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 56.
Wednesday
Rain. Mostly cloudy, with a high near 68.
Wednesday Night
A slight chance of rain before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 52.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Portola Valley CA
 37.4°N 122.2°W (Elev. 397 ft)
Last Update:
1:26 pm PDT Nov 1, 2025
Forecast Valid:
1pm PDT Nov 1, 2025-6pm PST Nov 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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