Climatological Report (Daily)
Issued by NWS
Issued by NWS
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075
CDUS46 KMTR 160036
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT WED OCT 15 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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 63 4:56 PM 101 2020 76 -13 77
MINIMUM 53 7:58 AM 37 2013 46 7 48
AVERAGE 58 61 -3 63
PRECIPITATION (IN)
TODAY 0.09 0.00
MONTH TO DATE 1.25 0.00
SINCE OCT 1 1.25 0.00
SINCE JAN 1 9.57 13.84
DEGREE DAYS
HEATING
TODAY 7 2
MONTH TO DATE 56 20
SINCE SEP 1 58 46
SINCE JUL 1 103 59
COOLING
TODAY 0 0
MONTH TO DATE 9 82
SINCE SEP 1 99 140
SINCE JAN 1 210 441
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 69 3:00 PM
AVERAGE 85
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 97 2020
MINIMUM TEMPERATURE (F) 46 37 2019
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 7:18 AM PDT SUNSET 6:31 PM PDT
OCTOBER 16 2025.......SUNRISE 7:19 AM PDT SUNSET 6:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$