Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 070032
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
532 PM PDT SAT SEP 06 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 6 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 78 3:39 PM 115 2022 81 -3 86
MINIMUM 58 1:26 AM 42 2015 52 6 51
AVERAGE 68 67 1 69
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 0 0
SINCE JUL 1 45 13
COOLING
TODAY 3 4
MONTH TO DATE 17 28
SINCE SEP 1 17 28
SINCE JAN 1 128 329
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 45 3:00 PM
AVERAGE 68
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 106 2020
MINIMUM TEMPERATURE (F) 52 39 2002
SUNRISE AND SUNSET
SEPTEMBER 6 2025.....SUNRISE 6:43 AM PDT SUNSET 7:30 PM PDT
SEPTEMBER 7 2025.....SUNRISE 6:44 AM PDT SUNSET 7:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$