Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

64°F

18°C

Humidity 67%
Wind Speed W 17 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Sep 07:35 PM PDT
Extended Forecast for

9 Miles SE Lake Berryessa CA

  • Tonight

    Tonight: A slight chance of drizzle after 5am.  Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Mostly Clear
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A slight chance of drizzle before 9am.  Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Slight Chance
    Drizzle then
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of drizzle after 4am.  Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear
    then Chance
    Drizzle

  • Thursday

    Thursday: Drizzle likely, mainly before 11am, then a chance of rain after 2pm.  Mostly cloudy, with a high near 72. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Drizzle
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Southwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of drizzle after 5am. Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Wednesday
A slight chance of drizzle before 9am. Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
A chance of drizzle after 4am. Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Thursday
Drizzle likely, mainly before 11am, then a chance of rain after 2pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 53. Southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 78.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Lake Berryessa CA
 38.47°N 122.16°W (Elev. 807 ft)
2:42 pm PDT Sep 1, 2026
7pm PDT Sep 1, 2026-6pm PDT Sep 8, 2026
 
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