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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

66°F

19°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 24 Mar 10:35 AM PDT
Extended Forecast for

Sunnyvale CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph becoming light west after midnight.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Calm wind.
Wednesday
Mostly sunny, with a high near 75. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph becoming light west after midnight.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 51. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A slight chance of rain. Partly sunny, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.4°N 122.03°W (Elev. 46 ft)
Last Update:
8:51 pm PDT Mar 24, 2026
Forecast Valid:
11pm PDT Mar 24, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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