533
CDUS46 KMTR 210036
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT THU AUG 20 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 76 3:27 PM 95 2023 81 -5 88
MINIMUM 54 6:04 AM 46 2000 54 0 51
AVERAGE 65 67 -2 70
PRECIPITATION (IN)
TODAY 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
TODAY 0 0
MONTH TO DATE 5 7
SINCE JUN 1 49 109
SINCE JUL 1 28 45
COOLING
TODAY 0 5
MONTH TO DATE 22 42
SINCE JUN 1 138 62
SINCE JAN 1 155 79
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 60 2:00 PM
AVERAGE 77
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 93 2020
MINIMUM TEMPERATURE (F) 54 47 2001
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:28 AM PDT SUNSET 7:56 PM PDT
AUGUST 21 2026........SUNRISE 6:29 AM PDT SUNSET 7:54 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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