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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Overcast

59°F

15°C

Humidity 82%
Wind Speed SE 12 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Jan 06:35 PM PST
Extended Forecast for

Sunnyvale CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 49. Southeast wind 9 to 13 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Rain likely after 4pm. Mostly cloudy, with a high near 61. South southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 54. South southeast wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Saturday

    Saturday: Rain. High near 60. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Sunday

    Sunday: Rain. High near 58. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 49. Southeast wind 9 to 13 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely after 4pm. Mostly cloudy, with a high near 61. South southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 54. South southeast wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 60. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 58. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 56.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 57.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A slight chance of rain. Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.36°N 122.02°W (Elev. 128 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation