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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

47°F

8°C

Humidity 57%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 25 Mar 07:10 AM PDT
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Sunny, with a high near 70. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West northwest wind 7 to 10 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. North wind around 7 mph, with gusts as high as 18 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. North northeast wind 3 to 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 47. West northwest wind 7 to 10 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 69. North wind around 7 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 55. North northeast wind 3 to 7 mph.
Friday
Partly sunny, with a high near 74. Northeast wind around 5 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A slight chance of rain. Partly sunny, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 53.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
Last Update:
1:56 am PDT Mar 25, 2026
Forecast Valid:
8am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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