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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity 82%
Wind Speed W 11 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 10:00 PM PDT
Extended Forecast for

8 Miles W Vacaville CA

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West wind 7 to 11 mph, with gusts as high as 26 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 73. West southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. West wind 7 to 11 mph, with gusts as high as 26 mph.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 73. West southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 76. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 54. West southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Vacaville CA
 38.36°N 122.13°W (Elev. 384 ft)
Last Update:
1:26 pm PDT Jun 18, 2026
Forecast Valid:
10pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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