176
CDUS46 KMTR 210833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT WED OCT 21 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 4:08 PM 87 2015 75 -4 80
2020
MINIMUM 46 7:35 AM 36 2008 45 1 46
AVERAGE 59 60 -1 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 1.25
SINCE OCT 1 0.00 1.25
SINCE JAN 1 9.70 9.57
DEGREE DAYS
HEATING
YESTERDAY 6 2
MONTH TO DATE 61 77
SINCE SEP 1 106 79
SINCE JUL 1 142 124
COOLING
YESTERDAY 0 0
MONTH TO DATE 54 9
SINCE SEP 1 111 99
SINCE JAN 1 285 210
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 39 1:00 PM
AVERAGE 66
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 2019
MINIMUM TEMPERATURE (F) 45 35 2004
SUNRISE AND SUNSET
OCTOBER 21 2026.......SUNRISE 7:24 AM PDT SUNSET 6:23 PM PDT
OCTOBER 22 2026.......SUNRISE 7:25 AM PDT SUNSET 6:22 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