Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed W 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 10:30 PM PDT
Extended Forecast for

Napa Co. Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. West southwest wind 10 to 14 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 70. South southwest wind 9 to 17 mph, with gusts as high as 21 mph.

    High: 70 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 54. West southwest wind 9 to 15 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Southwest wind 6 to 14 mph.

    High: 73 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 2am and 4am.  Otherwise, partly cloudy, with a low around 53. West southwest wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. West southwest wind 10 to 14 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 70. South southwest wind 9 to 17 mph, with gusts as high as 21 mph.
Wednesday Night
Increasing clouds, with a low around 54. West southwest wind 9 to 15 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Southwest wind 6 to 14 mph.
Thursday Night
Patchy fog between 2am and 4am. Otherwise, partly cloudy, with a low around 53. West southwest wind 8 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 74.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 53.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
1:26 pm PDT Jul 15, 2025
10pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database