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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. 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 83%
Wind Speed S 12 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 07:54 PM PDT
Extended Forecast for

2 Miles S Napa CA

  • Tonight

    Tonight: Increasing clouds, with a low around 56. South southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind becoming south southwest 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 54.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Napa CA
 38.27°N 122.31°W (Elev. 98 ft)
Last Update:
1:26 pm PDT Aug 19, 2026
Forecast Valid:
8pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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