Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

66°F

19°C

Humidity 77%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 22 Aug 09:10 PM PDT
Extended Forecast for

6 Miles WSW Cupertino CA

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 74 by midnight. Northwest wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 82. Light and variable wind.

    High: 82 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Northwest wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 74 by midnight. Northwest wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 82. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 70. Calm wind.
Monday
Mostly sunny, with a high near 79. Light and variable wind.
Monday Night
Partly cloudy, with a low around 66. Northwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Cupertino CA
 37.27°N 122.14°W (Elev. 2395 ft)
3:12 pm PDT Aug 22, 2026
9pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database