435
CDUS46 KMTR 200044
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
544 PM PDT SUN OCT 19 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 4:25 PM 95 2023 75 0 82
MINIMUM 48 7:03 AM 37 2021 45 3 48
AVERAGE 62 60 2 65
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 1.25 T
SINCE OCT 1 1.25 T
SINCE JAN 1 9.57 13.84
DEGREE DAYS
HEATING
TODAY 3 0
MONTH TO DATE 75 25
SINCE SEP 1 77 51
SINCE JUL 1 122 64
COOLING
TODAY 0 0
MONTH TO DATE 9 85
SINCE SEP 1 99 143
SINCE JAN 1 210 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 53 3:00 PM
AVERAGE 77
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 87 2015
2020
MINIMUM TEMPERATURE (F) 45 36 2008
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:22 AM PDT SUNSET 6:25 PM PDT
OCTOBER 20 2025.......SUNRISE 7:23 AM PDT SUNSET 6:24 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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