Climatological Report (Daily)
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731
CDUS46 KMTR 310829
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT OCT 31 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2026...
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)
YESTERDAY
MAXIMUM 67 4:08 PM 82 2018 71 -4 67
MINIMUM 47 1:44 AM 34 2003 43 4 46
2019
2023
AVERAGE 57 57 0 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.36 1.31
SINCE OCT 1 0.36 1.31
SINCE JAN 1 10.06 9.63
DEGREE DAYS
HEATING
YESTERDAY 8 8
MONTH TO DATE 134 125
SINCE SEP 1 179 127
SINCE JUL 1 215 172
COOLING
YESTERDAY 0 0
MONTH TO DATE 54 10
SINCE SEP 1 111 100
SINCE JAN 1 285 211
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 11:00 PM
LOWEST 54 2:00 PM
AVERAGE 72
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 80 2018
MINIMUM TEMPERATURE (F) 43 30 2002
SUNRISE AND SUNSET
OCTOBER 31 2026.......SUNRISE 7:34 AM PDT SUNSET 6:11 PM PDT
NOVEMBER 1 2026......SUNRISE 6:35 AM PST SUNSET 5:10 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$