National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

43°F

6°C

Humidity 74%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 12 Jan 06:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Sunny, with a high near 59. North northeast wind 3 to 6 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Clear, with a steady temperature around 51. East wind around 6 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. East northeast wind 3 to 6 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 47. Northeast wind 3 to 6 mph.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North northeast wind around 6 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. North northeast wind 3 to 6 mph.
Tonight
Clear, with a steady temperature around 51. East wind around 6 mph.
Tuesday
Sunny, with a high near 63. East northeast wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 47. Northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 62. North northeast wind around 6 mph.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
7am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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