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CDUS46 KMTR 280828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT FRI AUG 28 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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 85 2:46 PM 98 2004 81 4 77
MINIMUM 56 7:03 AM 44 2005 54 2 55
AVERAGE 71 67 4 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 6 1
MONTH TO DATE 41 56
SINCE JUN 1 157 76
SINCE JAN 1 174 93
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 44 1:00 PM
AVERAGE 71
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 2008
MINIMUM TEMPERATURE (F) 53 45 2005
SUNRISE AND SUNSET
AUGUST 28 2026........SUNRISE 6:35 AM PDT SUNSET 7:44 PM PDT
AUGUST 29 2026........SUNRISE 6:36 AM PDT SUNSET 7:43 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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