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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

70°F

21°C

Humidity 64%
Wind Speed NNW 10 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Jul 11:55 AM PDT
Extended Forecast for

3 Miles NE Sunnyvale CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. North northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming light west southwest after midnight.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light west wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. North northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 57. North northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 78. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming light west southwest after midnight.
Friday
Sunny, with a high near 81. Light west wind becoming west northwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sunnyvale CA
 37.41°N 121.97°W (Elev. 10 ft)
Last Update:
11:26 am PDT Jul 29, 2026
Forecast Valid:
12pm PDT Jul 29, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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