Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
Mountain View, Moffett Field (KNUQ)
Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.
Clear
55°F
13°C
| Humidity | 40% |
| Wind Speed | NNW 6 MPH |
| Barometer | 30.21 in (1023.03 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 06:15 PM PST |
Extended Forecast for
Sunnyvale CA
Tonight
Low: 38 °F
Mostly Clear
Tuesday
High: 60 °F
Partly Sunny
Tuesday Night
Low: 46 °F
Chance Rain
Wednesday
High: 57 °F
Rain Likely
Wednesday Night
Low: 50 °F
Rain
New Year's Day
High: 60 °F
Rain
Thursday Night
Low: 53 °F
Rain Likely
Friday
High: 60 °F
Rain Likely
Friday Night
Low: 47 °F
Rain
Detailed Forecast
Tonight
Mostly clear, with a low around 38. West wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 60. West northwest wind 3 to 5 mph.
Tuesday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 46. Northwest wind around 5 mph.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 57. North northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 50. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Friday
Rain likely. Cloudy, with a high near 60.
Friday Night
Rain. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 57.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sunnyvale CA
37.36°N 122.02°W (Elev. 128 ft)
37.36°N 122.02°W (Elev. 128 ft)
12:27 pm PST Dec 29, 2025
6pm PST Dec 29, 2025-6pm PST Jan 5, 2026
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