Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest
On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >
Current conditions at
LOS ALTOS (LOAC1)
Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.NA
63°F
17°C
| Humidity | 68% |
| Wind Speed | ENE 1 MPH |
| Barometer | NA |
| Dewpoint | 52°F (11°C) |
| Visibility | NA |
| Last update | 15 Jun 08:10 PM PDT |
Extended Forecast for
Portola Valley CA
Tonight
Low: 47 °F
Mostly Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 49 °F
Clear
Juneteenth
High: 73 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 47. West southwest wind 8 to 11 mph.
Monday
Sunny, with a high near 71. West wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 48. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 76. West southwest wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 49.
Juneteenth
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 49.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portola Valley CA
37.39°N 122.23°W (Elev. 397 ft)
37.39°N 122.23°W (Elev. 397 ft)
1:26 pm PDT Jun 15, 2025
9pm PDT Jun 15, 2025-6pm PDT Jun 22, 2025
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