Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

55°F

13°C

Humidity 85%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 03 Aug 07:10 AM PDT
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Sunny, with a high near 91. Light south southeast wind.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. Light south southwest wind.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. South southwest wind around 5 mph becoming calm  in the morning.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. Light south southwest wind.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Light south southeast wind.
Tonight
Clear, with a low around 66. Light south southwest wind.
Tuesday
Sunny, with a high near 91. South southwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Clear, with a low around 65. Light south southwest wind.
Wednesday
Sunny, with a high near 87. Light and variable wind.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 88.
Thursday Night
Clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 68.
Sunday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
2:41 am PDT Aug 3, 2026
8am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database