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

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

70°F

21°C

Humidity 60%
Wind Speed SSW 16 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Jul 04:30 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between midnight and 4am.  Otherwise, increasing clouds, with a low around 54. West southwest wind 3 to 7 mph.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 53. West southwest wind 3 to 8 mph.

    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 1am.  Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
Patchy fog between midnight and 4am. Otherwise, increasing clouds, with a low around 54. West southwest wind 3 to 7 mph.
Friday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. West southwest wind 3 to 8 mph.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 52.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 72.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
4:12 pm PDT Jul 16, 2025
4pm PDT Jul 16, 2025-6pm PDT Jul 23, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database