482
CDUS46 KMTR 180029
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
529 PM PDT FRI OCT 17 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 4:02 PM 95 2020 76 -1 77
MINIMUM 42 7:08 AM 37 2006 46 -4 43
AVERAGE 59 61 -2 60
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 6 5
MONTH TO DATE 72 25
SINCE SEP 1 74 51
SINCE JUL 1 119 64
COOLING
TODAY 0 0
MONTH TO DATE 9 82
SINCE SEP 1 99 140
SINCE JAN 1 210 441
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 3.8
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 1:00 AM
LOWEST 45 2:00 PM
AVERAGE 73
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 2020
MINIMUM TEMPERATURE (F) 46 37 1998
2017
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:20 AM PDT SUNSET 6:28 PM PDT
OCTOBER 18 2025.......SUNRISE 7:21 AM PDT SUNSET 6:27 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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