Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity 89%
Wind Speed W 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 7.00 mi
Last update 24 Jun 02:04 AM PDT
Extended Forecast for

Napa CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Wednesday

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

    High: 77 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 53. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West southwest wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 53. Southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. West southwest wind 5 to 8 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
1:26 am PDT Jun 24, 2026
2am PDT Jun 24, 2026-6pm PDT Jun 30, 2026
 
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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