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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed NW 4 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Aug 05:35 AM PDT
Extended Forecast for

3 Miles SSE Napa Co. Airport CA

  • Today

    Today: Cloudy, then gradual clearing during the afternoon, with a high near 66. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 66 °F

    Clearing Late

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Southwest wind 8 to 11 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 67. South southwest wind 7 to 10 mph.

    High: 67 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. West southwest wind 7 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. Southwest wind 6 to 9 mph.

    High: 70 °F

    Partly 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 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradual clearing during the afternoon, with a high near 66. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. Southwest wind 8 to 11 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 67. South southwest wind 7 to 10 mph.
Friday Night
Mostly cloudy, with a low around 56. West southwest wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 70. Southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly cloudy, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
1:26 am PDT Aug 13, 2026
Forecast Valid:
5am PDT Aug 13, 2026-6pm PDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation