News Headlines
Hazardous Weather Conditions
Current conditions at
LOS ALTOS (LOAC1)
Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.NA
48°F
9°C
| Humidity | 82% |
| Wind Speed | SW 2 MPH |
| Barometer | NA |
| Dewpoint | 43°F (6°C) |
| Visibility | NA |
| Last update | 11 Oct 02:10 AM PDT |
Extended Forecast for
3 Miles NW Portola Valley CA
Coastal Flood Advisory October 11, 02:50am until October 13, 03:00pm
NOW until 3:00pm Tue

Coastal Flood Advisory
Overnight

Low: 48 °F
Mostly Clear
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 46 °F
Mostly Clear
Columbus Day

High: 69 °F
Sunny
Monday Night

Low: 46 °F
Clear
Tuesday

High: 74 °F
Sunny
Tuesday Night

Low: 47 °F
Clear
Wednesday

High: 79 °F
Sunny
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 48. West southwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 69. Calm wind becoming west 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. Light and variable wind becoming south 5 to 10 mph in the evening.
Columbus Day
Sunny, with a high near 69. Light and variable wind.
Monday Night
Clear, with a low around 46. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 47.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles NW Portola Valley CA
37.41°N 122.26°W (Elev. 535 ft)
37.41°N 122.26°W (Elev. 535 ft)
2:36 am PDT Oct 11, 2026
2am PDT Oct 11, 2026-6pm PDT Oct 17, 2026



