Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 82%
Wind Speed NW 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Sep 01:20 AM PDT
Extended Forecast for

Napa CASimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 69 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 58. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Monday

    Monday: A 40 percent chance of rain, mainly after 11am.  Patchy fog between 8am and 9am.  Otherwise, cloudy, with a high near 68. Light and variable wind becoming southwest 5 to 10 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 58. West southwest wind 5 to 9 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. West wind around 5 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 58. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
A 40 percent chance of rain, mainly after 11am. Patchy fog between 8am and 9am. Otherwise, cloudy, with a high near 68. Light and variable wind becoming southwest 5 to 10 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 58. West southwest wind 5 to 9 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain before 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 57.
Wednesday
A chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65.
Wednesday Night
A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56.
Thursday
A slight chance of rain before 11am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 52.
Friday
Patchy fog. Otherwise, sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Napa CASimilar City Names
 38.29°N 122.29°W (Elev. 20 ft)
1:26 am PDT Sep 28, 2025
1am PDT Sep 28, 2025-6pm PDT Oct 4, 2025
 
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