954
CDUS46 KMTR 260846
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
146 AM PDT WED AUG 26 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 25 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 80 4:54 PM 98 1999 81 -1 76
MINIMUM 57 7:32 AM 47 2000 54 3 56
AVERAGE 69 67 2 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 0 0
MONTH TO DATE 6 7
SINCE JUN 1 50 109
SINCE JUL 1 29 45
COOLING
YESTERDAY 4 1
MONTH TO DATE 33 54
SINCE JUN 1 149 74
SINCE JAN 1 166 91
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 40 6:00 PM
AVERAGE 67
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 2017
MINIMUM TEMPERATURE (F) 54 45 2005
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 6:34 AM PDT SUNSET 7:47 PM PDT
AUGUST 27 2026........SUNRISE 6:35 AM PDT SUNSET 7:46 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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