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 82%
Wind Speed SSW 16 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Jul 08:30 PM PDT
Extended Forecast for

4 Miles NNW Napa CA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, increasing clouds, with a low around 53. South southwest wind around 6 mph becoming calm  after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming south 5 to 9 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 53. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Widespread fog, mainly before 8am.  Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    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
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 53. South southwest wind around 6 mph becoming calm after midnight.
Wednesday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53. Southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82.
Friday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52.
Saturday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 82.
Saturday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 52.
Sunday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 84.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 80.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Tuesday
Widespread fog. Otherwise, mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
1:26 pm PDT Jul 15, 2025
8pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database