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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Mostly Cloudy

55°F

13°C

Humidity 93%
Wind Speed S 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Jan 03:35 PM PST
Extended Forecast for

2 Miles NW Vacaville CA

  • New Year's Day

    New Year's Day: A 30 percent chance of rain before 4pm. Cloudy, with a high near 54. South wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Steady temperature around 52. South southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain then
    Slight Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 4pm. Cloudy, with a steady temperature around 51. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Cloudy then
    Rain Likely

  • Friday Night

    Friday Night: Rain. Low around 53. South southeast wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 55. South wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers

  • Monday

    Monday: Rain likely. Cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

New Year's Day
A 30 percent chance of rain before 4pm. Cloudy, with a high near 54. South wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 10pm. Steady temperature around 52. South southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly after 4pm. Cloudy, with a steady temperature around 51. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 53. South southeast wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 55. South wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Chance of precipitation is 90%.
Sunday
Rain and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 53. Chance of precipitation is 100%.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Mostly cloudy, with a low around 46.
Monday
Rain likely. Cloudy, with a high near 49.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A slight chance of rain. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Vacaville CA
 38.38°N 121.99°W (Elev. 400 ft)
Last Update:
1:21 pm PST Jan 1, 2026
Forecast Valid:
3pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation