890
CDUS46 KMTR 230828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT SUN AUG 23 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 78 5:16 PM 97 1999 81 -3 79
MINIMUM 50 6:48 AM 45 2006 54 -4 52
AVERAGE 64 67 -3 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 1 0
MONTH TO DATE 6 7
SINCE JUN 1 50 109
SINCE JUL 1 29 45
COOLING
YESTERDAY 0 1
MONTH TO DATE 26 51
SINCE JUN 1 142 71
SINCE JAN 1 159 88
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 52 2:00 PM
AVERAGE 76
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 96 2010
MINIMUM TEMPERATURE (F) 54 45 2005
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 6:31 AM PDT SUNSET 7:52 PM PDT
AUGUST 24 2026........SUNRISE 6:32 AM PDT SUNSET 7:50 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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