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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed W 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Apr 09:35 PM PDT
Extended Forecast for

8 Miles WNW Vacaville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming light and variable.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58. North wind around 7 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Northwest wind 5 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming light and variable.
Monday
Sunny, with a high near 58. North wind around 7 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 45. Northwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 60. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
Last Update:
6:36 pm PDT Apr 12, 2026
Forecast Valid:
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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