402
CDUS46 KMTR 270041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT SAT SEP 26 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 73 3:47 PM 99 2009 79 -6 79
2016
MINIMUM 48 3:27 AM 43 2013 50 -2 52
2018
AVERAGE 61 64 -3 66
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.10 0.12
SINCE OCT 1 17.13 16.20
SINCE JAN 1 9.70 8.22
DEGREE DAYS
HEATING
TODAY 4 0
MONTH TO DATE 35 1
SINCE SEP 1 35 1
SINCE JUL 1 71 46
COOLING
TODAY 0 1
MONTH TO DATE 52 85
SINCE SEP 1 52 85
SINCE JAN 1 226 196
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 53 2:00 PM
AVERAGE 75
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 101 2020
MINIMUM TEMPERATURE (F) 49 45 2005
2018
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 7:01 AM PDT SUNSET 6:59 PM PDT
SEPTEMBER 27 2026.....SUNRISE 7:01 AM PDT SUNSET 6:58 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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