Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed W 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 22 Jun 12:20 AM PDT
Extended Forecast for

3 Miles S Napa CA

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 52. Southwest wind around 6 mph becoming calm.

    Low: 52 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 52. Southwest wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: 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

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 52. Southwest wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. Southwest wind around 6 mph becoming calm.
Monday
Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. Southwest wind 3 to 8 mph.
Tuesday
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.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 52. Southwest wind 3 to 8 mph.
Wednesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.
Thursday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 78.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 54.
Saturday
Patchy fog. Otherwise, sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Napa CA
 38.25°N 122.27°W (Elev. 59 ft)
12:31 am PDT Jun 22, 2026
12am PDT Jun 22, 2026-6pm PDT Jun 28, 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