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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Clear

73°F

23°C

Humidity 64%
Wind Speed N 17 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Jul 04:55 PM PDT
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 58. West northwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.33°N 122.04°W (Elev. 243 ft)
Last Update:
1:26 pm PDT Jul 28, 2026
Forecast Valid:
5pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation