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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed WNW 8 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 02 Jul 07:20 AM PDT
Extended Forecast for

2 Miles NNW Vallejo CA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 6 to 11 mph.

    High: 74 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Southwest wind 6 to 10 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind 6 to 10 mph.

    High: 76 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 55. Southwest wind 7 to 9 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 6 to 11 mph.
Tonight
Increasing clouds, with a low around 54. Southwest wind 6 to 10 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind 6 to 10 mph.
Friday Night
Increasing clouds, with a low around 55. Southwest wind 7 to 9 mph.
Independence Day
Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
Last Update:
2:47 am PDT Jul 2, 2026
Forecast Valid:
7am PDT Jul 2, 2026-6pm PDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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