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

Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

77°F

25°C

Humidity 28%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index78°F (26°C)
Last update 26 Mar 05:10 PM PDT
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. West northwest wind 5 to 7 mph becoming calm.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. North northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm. Cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
Partly sunny, with a high near 80. West northwest wind 5 to 7 mph becoming calm.
Friday Night
Mostly clear, with a low around 49. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly cloudy, with a high near 75.
Monday Night
A chance of rain, mainly after 11pm. Cloudy, with a low around 51.
Tuesday
A chance of rain. Mostly cloudy, with a high near 67.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Partly sunny, with a high near 69.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
Last Update:
1:26 pm PDT Mar 26, 2026
Forecast Valid:
5pm PDT Mar 26, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation