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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

84°F

29°C

Humidity 41%
Wind Speed SSW 11 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 02 Aug 02:54 PM PDT
Extended Forecast for

4 Miles NNW Napa CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southwest wind around 6 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 96. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
Last Update:
1:26 pm PDT Aug 2, 2026
Forecast Valid:
3pm PDT Aug 2, 2026-6pm PDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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