Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

73°F

23°C

Humidity 64%
Wind Speed S 11 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Jul 07:20 PM PDT
Extended Forecast for

Napa Co. Airport CA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 56. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 84 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Southwest wind 5 to 10 mph becoming light  in the evening.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 56. Southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 56. Southwest wind 5 to 10 mph becoming light in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
1:26 pm PDT Jul 28, 2026
7pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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Additional Resources

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