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

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

54°F

12°C

Humidity 87%
Wind Speed W 16 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 25 May 01:35 AM PDT
Extended Forecast for

Lake Berryessa CA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Southwest wind 3 to 5 mph.

    Low: 51 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 72. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. West southwest wind 6 to 14 mph, with gusts as high as 29 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 71. West northwest wind 3 to 5 mph.

    High: 71 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Southwest wind 3 to 5 mph.
Memorial Day
Mostly sunny, with a high near 72. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 51. West southwest wind 6 to 14 mph, with gusts as high as 29 mph.
Tuesday
Increasing clouds, with a high near 71. West northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.57°N 122.24°W (Elev. 732 ft)
Last Update:
1:26 am PDT May 25, 2026
Forecast Valid:
1am PDT May 25, 2026-6pm PDT May 31, 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