168
CDUS46 KMTR 310827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI OCT 31 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2025
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)
YESTERDAY
MAXIMUM 67 4:34 PM 82 2018 71 -4 65
MINIMUM 46 4:53 AM 34 2003 43 3 39
2019
2023
AVERAGE 57 57 0 52
PRECIPITATION (IN)
YESTERDAY 0.00 0.01
MONTH TO DATE 1.31 0.01
SINCE OCT 1 1.31 0.01
SINCE JAN 1 9.63 13.85
DEGREE DAYS
HEATING
YESTERDAY 8 13
MONTH TO DATE 125 104
SINCE SEP 1 127 130
SINCE JUL 1 172 143
COOLING
YESTERDAY 0 0
MONTH TO DATE 10 85
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 70 3:00 PM
AVERAGE 85
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 80 2018
MINIMUM TEMPERATURE (F) 43 30 2002
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:35 AM PDT SUNSET 6:10 PM PDT
NOVEMBER 1 2025......SUNRISE 7:36 AM PDT SUNSET 6:09 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page