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.

Mostly Cloudy

57°F

14°C

Humidity 86%
Wind Speed W 11 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Jul 12:09 AM PDT
Extended Forecast for

4 Miles SE Yountville CA

  • Overnight

    Overnight: Areas of fog.  Otherwise, cloudy, with a low around 53. South southwest wind 3 to 6 mph.

    Low: 53 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.

    High: 74 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Widespread fog, mainly after 5am.  Otherwise, increasing clouds, with a low around 52. Southwest wind 3 to 7 mph.

    Low: 52 °F

    Fog

  • Thursday

    Thursday: Widespread fog, mainly before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Widespread fog, mainly after 5am.  Otherwise, partly cloudy, with a low around 51. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 51 °F

    Fog

  • Friday

    Friday: Widespread fog, mainly before 8am.  Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Fog then
    Sunny

  • Friday Night

    Friday Night: Widespread fog, mainly after 5am.  Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Fog

  • Saturday

    Saturday: Widespread fog, mainly before 8am.  Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 53. South southwest wind 3 to 6 mph.
Wednesday
Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
Widespread fog, mainly after 5am. Otherwise, increasing clouds, with a low around 52. Southwest wind 3 to 7 mph.
Thursday
Widespread fog, mainly before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 51. Southwest wind 5 to 7 mph becoming calm after midnight.
Friday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 81.
Friday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 51.
Saturday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 81.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 84.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Monday
Widespread fog. Otherwise, mostly sunny, with a high near 78.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Yountville CA
 38.38°N 122.31°W (Elev. 161 ft)
1:26 pm PDT Jul 15, 2025
12am PDT Jul 16, 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