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

70°F

21°C

Humidity 67%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 22 Aug 08:10 PM PDT
Extended Forecast for

2 Miles SSW Cupertino CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Light northwest wind.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 56. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, partly sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind.
Sunday
Partly sunny, with a high near 86. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 58. Light northwest wind.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 56. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 83.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 56.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
3:12 pm PDT Aug 22, 2026
9pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database