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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

68°F

20°C

Humidity 77%
Wind Speed SW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Sep 10:35 AM PDT
Extended Forecast for

5 Miles SW Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 79. West southwest wind around 7 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. West southwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 50. Light and variable wind.
Saturday
Partly sunny, with a high near 76. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 47.
Monday
Sunny, with a high near 79.
Monday Night
Clear, with a low around 54.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lake Berryessa CA
 38.54°N 122.32°W (Elev. 1070 ft)
Last Update:
1:26 am PDT Sep 25, 2026
Forecast Valid:
10am PDT Sep 25, 2026-6pm PDT Oct 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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