474
CDUS46 KMTR 060045
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT TUE AUG 05 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 5 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 76 3:31 PM 86 2005 79 -3 74
MINIMUM 50 6:52 AM 46 2002 55 -5 57
AVERAGE 63 67 -4 66
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 2 0
MONTH TO DATE 5 0
SINCE JUN 1 107 42
SINCE JUL 1 43 5
COOLING
TODAY 0 1
MONTH TO DATE 2 16
SINCE JUN 1 22 230
SINCE JAN 1 39 240
...............................................................
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 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 5:00 AM
LOWEST 53 2:00 PM
AVERAGE 71
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 91 2023
MINIMUM TEMPERATURE (F) 55 44 2002
SUNRISE AND SUNSET
AUGUST 5 2025........SUNRISE 6:16 AM PDT SUNSET 8:14 PM PDT
AUGUST 6 2025........SUNRISE 6:16 AM PDT SUNSET 8:13 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page