Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Current conditions at
LOS ALTOS (LOAC1)
Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.NA
69°F
21°C
| Humidity | 50% |
| Wind Speed | SW 2 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Last update | 31 Aug 10:10 PM PDT |
Extended Forecast for
2 Miles NNW Portola Valley CA
Tonight
Low: 59 °F
Mostly Clear
Labor Day
High: 90 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 59. West wind around 5 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 90. Calm wind becoming north 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. West southwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Portola Valley CA
37.42°N 122.23°W (Elev. 397 ft)
37.42°N 122.23°W (Elev. 397 ft)
2:32 pm PDT Aug 31, 2025
10pm PDT Aug 31, 2025-6pm PDT Sep 7, 2025
Additional Resources
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