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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 08:00 AM PDT
Extended Forecast for

2 Miles SSE Napa Co. Airport CA

  • Today

    Today: A 20 percent chance of showers before 11am. Partly sunny, with a high near 74. Southwest wind 7 to 9 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 6 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 74. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Southwest wind 3 to 8 mph.

    High: 74 °F

    Sunny

  • Sunday Night

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

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Partly sunny, with a high near 74. Southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 55. Southwest wind 6 to 9 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 74. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 55. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 74. Southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
6:57 am PDT Aug 28, 2026
Forecast Valid:
8am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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