901
CDUS46 KMTR 040028
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
428 PM PST MON NOV 03 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 3 2025
VALID TODAY AS OF 0400 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 68 2:58 PM 83 2018 70 -2 74
MINIMUM 50 5:22 AM 31 2022 43 7 40
AVERAGE 59 56 3 57
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 0.35
SINCE OCT 1 1.31 0.36
SINCE JAN 1 9.63 14.20
DEGREE DAYS
HEATING
TODAY 6 8
MONTH TO DATE 15 30
SINCE SEP 1 146 171
SINCE JUL 1 191 184
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 54 2:00 PM
AVERAGE 77
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 83 2010
MINIMUM TEMPERATURE (F) 42 31 2013
SUNRISE AND SUNSET
NOVEMBER 3 2025......SUNRISE 6:38 AM PST SUNSET 5:07 PM PST
NOVEMBER 4 2025......SUNRISE 6:39 AM PST SUNSET 5:06 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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