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

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

75°F

24°C

Humidity 55%
Wind Speed SSW 13 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Jul 01:54 PM PDT
Extended Forecast for

Napa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Southwest wind around 9 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear. South southwest wind 5 to 7 mph becoming calm after midnight.

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 57. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Southwest wind around 9 mph.
Tonight
Mostly clear. South southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 57. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:25 pm PDT Jul 27, 2026
Forecast Valid:
2pm PDT Jul 27, 2026-6pm PDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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