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

61°F

16°C

Humidity 83%
Wind Speed SSW 18 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Jul 08:54 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West southwest wind 3 to 8 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 72. Light southwest wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between midnight and 1am.  Otherwise, increasing clouds, with a low around 54. West southwest wind 3 to 7 mph.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 53. Southwest wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West southwest wind 3 to 8 mph.
Wednesday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 72. Light southwest wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Patchy fog between midnight and 1am. Otherwise, increasing clouds, with a low around 54. West southwest wind 3 to 7 mph.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53. Southwest wind 5 to 9 mph becoming light west southwest after midnight.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77.
Friday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.
Saturday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 52.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 54.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 76.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
1:26 pm PDT Jul 15, 2025
9pm 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