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

61°F

16°C

Humidity 82%
Wind Speed WSW 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Aug 11:20 PM PDT
Extended Forecast for

Napa Co. Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 60. Southwest wind 9 to 15 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradual clearing during the afternoon, with a high near 68. South southwest wind 8 to 15 mph.

    High: 68 °F

    Clearing Late

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. West southwest wind 8 to 15 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 71. Southwest wind 7 to 13 mph.

    High: 71 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West southwest wind 8 to 14 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 60. Southwest wind 9 to 15 mph.
Friday
Cloudy, then gradual clearing during the afternoon, with a high near 68. South southwest wind 8 to 15 mph.
Friday Night
Increasing clouds, with a low around 54. West southwest wind 8 to 15 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 71. Southwest wind 7 to 13 mph.
Saturday Night
Partly cloudy, with a low around 52. West southwest wind 8 to 14 mph.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
11:27 pm PDT Aug 13, 2026
Forecast Valid:
11pm PDT Aug 13, 2026-6pm PDT Aug 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation