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

Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

69°F

21°C

Humidity 65%
Wind Speed SSW 25 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Jul 01:54 PM PDT
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South southwest wind around 8 mph, with gusts as high as 18 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. Southwest wind 3 to 7 mph.

    Low: 50 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 75. South southwest wind 3 to 8 mph.

    High: 75 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 50. West southwest wind 3 to 7 mph.

    Low: 50 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of fog after midnight. Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Clear then
    Areas Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South southwest wind around 8 mph, with gusts as high as 18 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. Southwest wind 3 to 7 mph.
Wednesday
Areas of fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 75. South southwest wind 3 to 8 mph.
Wednesday Night
Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 50. West southwest wind 3 to 7 mph.
Thursday
Areas of fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Areas of fog after midnight. Otherwise, mostly clear, with a low around 50.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 81.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 51.
Saturday
Areas of fog before 9am. Otherwise, sunny, with a high near 83.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 51.
Sunday
Areas of fog. Otherwise, sunny, with a high near 84.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Monday
Areas of fog. Otherwise, sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Lake Berryessa CA
 38.51°N 122.34°W (Elev. 699 ft)
Last Update:
1:26 pm PDT Jul 15, 2025
Forecast Valid:
2pm PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation