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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

NA

59°F

15°C

Humidity 87%
Wind Speed NNW 5 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Aug 06:15 AM PDT
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 77. Light southwest wind becoming west northwest 6 to 11 mph in the afternoon.

    High: 77 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. West wind 5 to 11 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 77. Light southwest wind becoming west northwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. West wind 6 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 75. West wind 5 to 11 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
Last Update:
5:08 am PDT Aug 2, 2025
Forecast Valid:
6am PDT Aug 2, 2025-6pm PDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation