627
CDUS46 KMTR 150041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT THU AUG 14 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 14 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 3:30 PM 106 2020 80 -5 80
MINIMUM 57 6:42 AM 47 2007 55 2 56
AVERAGE 66 67 -1 68
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 5 6
SINCE JUN 1 107 48
SINCE JUL 1 43 11
COOLING
TODAY 1 3
MONTH TO DATE 30 30
SINCE JUN 1 50 244
SINCE JAN 1 67 254
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 60 1:00 PM
AVERAGE 77
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 102 2020
MINIMUM TEMPERATURE (F) 55 47 2000
2011
SUNRISE AND SUNSET
AUGUST 14 2025........SUNRISE 6:23 AM PDT SUNSET 8:03 PM PDT
AUGUST 15 2025........SUNRISE 6:24 AM PDT SUNSET 8:02 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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