Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
68°F
20°C
| Humidity | 68% |
| Wind Speed | N 0 MPH |
| Barometer | 29.95 in (1014.22 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 10 Sep 06:20 AM PDT |
Extended Forecast for
Napa CA
Heat Advisory September 10, 06:44am until September 10, 10:00pm
NOW until 10:00pm Thu

Heat Advisory
Today

High: 88 °F
Mostly Sunny
Tonight

Low: 57 °F
Increasing
CloudsFriday

High: 81 °F
Becoming
SunnyFriday Night

Low: 54 °F
Mostly Clear
Saturday

High: 76 °F
Mostly Sunny
Saturday Night

Low: 53 °F
Mostly Clear
Sunday

High: 79 °F
Sunny
Sunday Night

Low: 55 °F
Mostly Clear
Detailed Forecast
Today
Mostly sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Increasing clouds, with a low around 57. South southwest wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. Southwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 76. Light west southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 80.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 54.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Napa CA
38.29°N 122.29°W (Elev. 20 ft)
38.29°N 122.29°W (Elev. 20 ft)
2:51 am PDT Sep 10, 2026
6am PDT Sep 10, 2026-6pm PDT Sep 16, 2026



