Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 100041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT THU OCT 09 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 71 1:50 PM 89 2015 77 -6 71
MINIMUM 50 1:42 AM 37 2008 47 3 51
AVERAGE 61 62 -1 61
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.08 0.00
SINCE OCT 1 0.08 0.00
SINCE JAN 1 8.40 13.84
DEGREE DAYS
HEATING
TODAY 4 4
MONTH TO DATE 12 4
SINCE SEP 1 14 30
SINCE JUL 1 59 43
COOLING
TODAY 0 0
MONTH TO DATE 9 77
SINCE SEP 1 99 135
SINCE JAN 1 210 436
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 59 2:00 PM
AVERAGE 78
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1999
MINIMUM TEMPERATURE (F) 47 39 2005
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:13 AM PDT SUNSET 6:39 PM PDT
OCTOBER 10 2025.......SUNRISE 7:14 AM PDT SUNSET 6:38 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$