883
CDUS46 KMTR 280045
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT SAT SEP 27 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 72 1:07 PM 101 2020 79 -7 93
MINIMUM 55 5:47 AM 45 2005 49 6 47
2018
AVERAGE 64 64 0 70
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.12 T
SINCE OCT 1 16.20 19.88
SINCE JAN 1 8.22 13.84
DEGREE DAYS
HEATING
TODAY 1 0
MONTH TO DATE 2 20
SINCE SEP 1 2 20
SINCE JUL 1 47 33
COOLING
TODAY 0 5
MONTH TO DATE 85 54
SINCE SEP 1 85 54
SINCE JAN 1 196 355
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 12.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 63 12:00 PM
AVERAGE 78
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2020
MINIMUM TEMPERATURE (F) 49 40 2001
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 7:02 AM PDT SUNSET 6:58 PM PDT
SEPTEMBER 28 2025.....SUNRISE 7:03 AM PDT SUNSET 6:56 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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