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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 72%
Wind Speed WNW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 20 Jun 06:00 AM PDT
Extended Forecast for

Napa CA

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 52. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the morning.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 52. Southwest wind 5 to 8 mph becoming calm after midnight.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 83.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 85.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 54.
Thursday
Patchy fog. Otherwise, sunny, with a high near 82.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Friday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:26 am PDT Jun 20, 2026
Forecast Valid:
6am PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
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Additional Resources

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