National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

63°F

17°C

Humidity 67%
Wind Speed WSW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 02 Jul 10:20 AM PDT
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 75. South southwest wind 8 to 16 mph.

    High: 75 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. South southwest wind 6 to 14 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind 6 to 13 mph.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 52. Southwest wind 8 to 14 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 75. South southwest wind 8 to 16 mph.
Tonight
Increasing clouds, with a low around 51. South southwest wind 6 to 14 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind 6 to 13 mph.
Friday Night
Increasing clouds, with a low around 52. Southwest wind 8 to 14 mph.
Independence Day
Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
2:47 am PDT Jul 2, 2026
Forecast Valid:
10am PDT Jul 2, 2026-6pm PDT Jul 8, 2026
 
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Additional Resources

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