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
49°F
9°C
| Humidity | 94% |
| Wind Speed | WSW 1 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Last update | 01 Nov 07:10 AM PDT |
Extended Forecast for
Portola Valley CA
Today
High: 71 °F
Sunny
Tonight
Low: 53 °F
Mostly Clear
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
Monday
High: 67 °F
Sunny
Monday Night
Low: 52 °F
Partly Cloudy
Tuesday
High: 68 °F
Partly Sunny
Tuesday Night
Low: 55 °F
Chance Rain
Wednesday
High: 62 °F
Rain
Detailed Forecast
Today
Sunny, with a high near 71. Light and variable wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 53. West wind around 6 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 73. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Light west northwest wind.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 55.
Wednesday
Rain. Mostly cloudy, with a high near 62.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portola Valley CA
37.35°N 122.21°W (Elev. 1440 ft)
37.35°N 122.21°W (Elev. 1440 ft)
2:37 am PDT Nov 1, 2025
7am PDT Nov 1, 2025-6pm PST Nov 7, 2025
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