793
CDUS46 KMTR 210033
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT MON OCT 20 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 80 3:16 PM 87 2015 75 5 81
2020
MINIMUM 46 7:45 AM 36 2008 45 1 43
AVERAGE 63 60 3 62
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 1.25 T
SINCE OCT 1 1.25 T
SINCE JAN 1 9.57 13.84
DEGREE DAYS
HEATING
TODAY 2 3
MONTH TO DATE 77 28
SINCE SEP 1 79 54
SINCE JUL 1 124 67
COOLING
TODAY 0 0
MONTH TO DATE 9 85
SINCE SEP 1 99 143
SINCE JAN 1 210 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 29 1:00 PM
AVERAGE 65
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 2019
MINIMUM TEMPERATURE (F) 45 35 2004
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:23 AM PDT SUNSET 6:24 PM PDT
OCTOBER 21 2025.......SUNRISE 7:24 AM PDT SUNSET 6:23 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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