Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

41°F

5°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 04 Dec 06:55 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 61. North northwest wind 5 to 7 mph.

    High: 61 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 63. Northwest wind 5 to 7 mph.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 61. North northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 42. West northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 63. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. Northwest wind 5 to 7 mph.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 47.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.02°W (Elev. 92 ft)
2:09 am PST Dec 4, 2025
7am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database