736
CDUS46 KMTR 020833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT WED SEP 02 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 73 3:00 PM 106 2017 81 -8 89
MINIMUM 57 11:30 PM 45 1999 53 4 55
AVERAGE 65 67 -2 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 0 0
SINCE JUL 1 36 45
COOLING
YESTERDAY 0 7
MONTH TO DATE 0 7
SINCE SEP 1 0 7
SINCE JAN 1 174 118
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 53 12:00 PM
AVERAGE 72
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 107 2017
MINIMUM TEMPERATURE (F) 53 46 2008
SUNRISE AND SUNSET
SEPTEMBER 2 2026.....SUNRISE 6:40 AM PDT SUNSET 7:37 PM PDT
SEPTEMBER 3 2026.....SUNRISE 6:41 AM PDT SUNSET 7:35 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