553
CDUS46 KMTR 050034
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
434 PM PST SUN JAN 04 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 4 2026
VALID TODAY AS OF 0400 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 56 3:10 PM 67 2012 56 0 58
2014
MINIMUM 50 8:16 AM 22 2009 38 12 37
AVERAGE 53 47 6 48
PRECIPITATION (IN)
TODAY 0.59 0.00
MONTH TO DATE 1.37 0.28
SINCE OCT 1 8.80 8.26
SINCE JAN 1 1.37 0.28
DEGREE DAYS
HEATING
TODAY 12 17
MONTH TO DATE 38 67
SINCE DEC 1 543 452
SINCE JUL 1 1018 992
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 89 2:00 AM
AVERAGE 95
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 70 2014
MINIMUM TEMPERATURE (F) 38 24 2014
SUNRISE AND SUNSET
JANUARY 4 2026.......SUNRISE 7:26 AM PST SUNSET 5:03 PM PST
JANUARY 5 2026.......SUNRISE 7:26 AM PST SUNSET 5:03 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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