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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Partly Cloudy

52°F

11°C

Humidity 87%
Wind Speed NW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 16 Apr 04:35 AM PDT
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Sunny, with a high near 70. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Northwest wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 70. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 45. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 72. Northwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 45. Northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 72.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Mostly cloudy, with a high near 66.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly 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:
1:46 am PDT Apr 16, 2026
Forecast Valid:
4am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation