Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.
Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >
Current conditions at
LA HONDA (LAHC1)
Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.NA
89°F
32°C
| Humidity | 24% |
| Wind Speed | WSW 1 MPH |
| Barometer | NA |
| Dewpoint | 48°F (9°C) |
| Visibility | NA |
| Heat Index | 86°F (30°C) |
| Last update | 31 Aug 11:07 AM PDT |
Extended Forecast for
Portola Valley CA
This Afternoon
High: 92 °F
Sunny
Tonight
Low: 58 °F
Clear
Labor Day
High: 88 °F
Sunny
Monday Night
Low: 58 °F
Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 55 °F
Mostly Clear
Wednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 55 °F
Partly Cloudy
Thursday
High: 82 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 92. North wind 5 to 8 mph becoming west. Winds could gust as high as 18 mph.
Tonight
Clear, with a low around 58. West southwest wind 5 to 9 mph becoming light west after midnight.
Labor Day
Sunny, with a high near 88. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 58. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portola Valley CA
37.37°N 122.22°W (Elev. 597 ft)
37.37°N 122.22°W (Elev. 597 ft)
8:09 am PDT Aug 31, 2025
12pm PDT Aug 31, 2025-6pm PDT Sep 6, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
