Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
63°F
17°C
| Humidity | 82% |
| Wind Speed | SSW 8 MPH |
| Barometer | 29.9 in (1012.53 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 20 Sep 06:20 PM PDT |
Extended Forecast for
4 Miles NNW Napa CA
Tonight
Low: 52 °F
Mostly Cloudy
then Patchy
FogMonday
High: 78 °F
Patchy Fog
then SunnyMonday Night
Low: 52 °F
Mostly Clear
then Patchy
FogTuesday
High: 82 °F
Areas Fog
then SunnyTuesday Night
Low: 53 °F
Clear then
Patchy FogWednesday
High: 90 °F
Areas Fog
then SunnyWednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 52. South southwest wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNW Napa CA
38.35°N 122.33°W (Elev. 105 ft)
38.35°N 122.33°W (Elev. 105 ft)
1:25 pm PDT Sep 20, 2026
6pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026
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