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

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 77%
Wind Speed W 10 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 09:20 AM PDT
Extended Forecast for

4 Miles W Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 82. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Areas of fog after 2am. Otherwise, mostly clear, with a low around 51. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 51 °F

    Clear then
    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 50. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tonight
Areas of fog after 2am. Otherwise, mostly clear, with a low around 51. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 50. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 51.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lake Berryessa CA
 38.58°N 122.33°W (Elev. 1138 ft)
Last Update:
6:22 am PDT Jul 15, 2025
Forecast Valid:
9am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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