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Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

71°F

22°C

Humidity 61%
Wind Speed SSW 11 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Aug 11:54 AM PDT
Extended Forecast for

2 Miles WNW Napa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Southwest wind 5 to 11 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 6 to 15 mph, with gusts as high as 18 mph.

    High: 78 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. West southwest wind 7 to 15 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 56. Southwest wind 5 to 11 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 6 to 15 mph, with gusts as high as 18 mph.
Wednesday Night
Increasing clouds, with a low around 57. West southwest wind 7 to 15 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 60.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 56.
Monday
Patchy fog. Otherwise, sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Napa CA
 38.31°N 122.32°W (Elev. 98 ft)
Last Update:
7:10 am PDT Aug 12, 2025
Forecast Valid:
12pm PDT Aug 12, 2025-6pm PDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation