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Current Weather Conditions:
NAPA COUNTY AIRPORT, CA, United States

NWS Point Forecast for KAPC (KAPC) 38-12N 122-17W 13M

Conditions at

2025.12.28 0854 UTC
Wind Calm
Visibility 1/4 mile(s)
Sky conditions obscured
Weather Fog
Temperature 37.0 F (2.8 C)
Dew Point 37.0 F (2.8 C)
Relative Humidity 100%
Pressure (altimeter) 30.28 in. Hg (1025 hPa)
Pressure tendency 0.01 inches (0.5 hPa) higher than three hours ago
ob KAPC 280854Z AUTO 00000KT 1/4SM FG VV002 03/03 A3028 RMK AO2 SLP245 60000 T00280028 53005

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
54.0 (12.2) 37.9 (3.3) In the 6 hours preceding Dec 28, 2025 - 12:54 AM EST / 2025.12.28 0554 UTC
55.0 (12.8) 36.0 (2.2) In the 24 hours preceding Dec 28, 2025 - 02:54 AM EST / 2025.12.28 0754 UTC

Precipitation Accumulation

Precipitation
Amount
A trace In the 3 hours preceding Dec 28, 2025 - 03:54 AM EST / 2025.12.28 0854 UTC
0.18 inches In the 24 hours preceding Dec 27, 2025 - 06:54 AM EST / 2025.12.27 1154 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 AM (9) Dec 28 37.0 (2.8) 37.0 (2.8) 30.28 (1025) Calm fog
3 AM (8) Dec 28 36.0 (2.2) 36.0 (2.2) 30.27 (1025) Calm fog
2 AM (7) Dec 28 37.9 (3.3) 37.9 (3.3) 30.27 (1025) Calm mist
1 AM (6) Dec 28 39.9 (4.4) 39.9 (4.4) 30.27 (1025) NNE 5
Midnight (5) Dec 28 41.0 (5.0) 41.0 (5.0) 30.26 (1024) E 3
11 PM (4) Dec 27 42.1 (5.6) 42.1 (5.6) 30.25 (1024) Calm mist
10 PM (3) Dec 27 44.1 (6.7) 43.0 (6.1) 30.23 (1023) Calm
9 PM (2) Dec 27 46.9 (8.3) 45.0 (7.2) 30.22 (1023) Calm
8 PM (1) Dec 27 48.9 (9.4) 45.0 (7.2) 30.19 (1022) SSW 6
7 PM (0) Dec 27 54.0 (12.2) 46.9 (8.3) 30.19 (1022) SSW 6
6 PM (23) Dec 27 55.0 (12.8) 46.0 (7.8) 30.17 (1021) SSW 6
5 PM (22) Dec 27 55.0 (12.8) 46.9 (8.3) 30.17 (1021) SSW 7
4 PM (21) Dec 27 53.1 (11.7) 46.9 (8.3) 30.18 (1022) SW 6
3 PM (20) Dec 27 53.1 (11.7) 45.0 (7.2) 30.19 (1022) SW 5
2 PM (19) Dec 27 52.0 (11.1) 45.0 (7.2) 30.2 (1022) NNE 3
1 PM (18) Dec 27 46.9 (8.3) 46.0 (7.8) 30.2 (1022) N 6
Noon (17) Dec 27 43.0 (6.1) 43.0 (6.1) 30.19 (1022) N 7 mist
11 AM (16) Dec 27 39.0 (3.9) 39.0 (3.9) 30.18 (1022) NNE 3 mist
10 AM (15) Dec 27 37.0 (2.8) 37.0 (2.8) 30.14 (1020) Calm fog
9 AM (14) Dec 27 37.0 (2.8) 37.0 (2.8) 30.11 (1019) N 6 fog
8 AM (13) Dec 27 37.0 (2.8) 37.0 (2.8) 30.11 (1019) N 6 mist
7 AM (12) Dec 27 37.9 (3.3) 37.9 (3.3) 30.09 (1018) Calm mist
6 AM (11) Dec 27 37.9 (3.3) 37.9 (3.3) 30.08 (1018) E 3 mist
Oldest 5 AM (10) Dec 27 44.1 (6.7) 44.1 (6.7) 30.06 (1017) W 6
Time
EST (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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