Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

77°F

25°C

Humidity 50%
Wind Speed S 10 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Aug 07:00 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Mostly clear, with a low around 61. South southeast wind 5 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 87. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South southeast wind 5 to 7 mph.
Thursday
Increasing clouds, with a high near 87. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 60. South wind around 6 mph.
Friday
A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51.
Sunday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 72.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
1:26 pm PDT Aug 26, 2026
7pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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