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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Overcast

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Dec 11:15 PM PST
Extended Forecast for

2 Miles S Sunnyvale CA

  • Tonight

    Tonight: A slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 44. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North northwest wind 3 to 6 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. North northeast wind 3 to 5 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 54. North wind 3 to 6 mph.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. East northeast wind around 6 mph.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 44. West wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 54. North northwest wind 3 to 6 mph.
Saturday Night
Increasing clouds, with a low around 37. North northeast wind 3 to 5 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 54. North wind 3 to 6 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. East northeast wind around 6 mph.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 58.
Monday Night
Clear, with a low around 38.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
New Year's Day
A chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Sunnyvale CA
 37.36°N 122.02°W (Elev. 128 ft)
Last Update:
12:27 pm PST Dec 26, 2025
Forecast Valid:
11pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation