797
CDUS46 KSEW 180118
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT WED SEP 17 2025
...............................
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 319 PM 81 1991 68 4 62
MINIMUM 52 519 AM 37 1971 49 3 48
AVERAGE 62 59 3 55
PRECIPITATION (IN)
TODAY 0.00 1.45 2021 0.07 -0.07 0.00
MONTH TO DATE 0.10 1.03 -0.93 0.59
SINCE OCT 1 31.43 33.73 -2.30 37.46
SINCE JAN 1 16.88 20.35 -3.47 24.18
DEGREE DAYS
HEATING
TODAY 3 6 -3 10
MONTH TO DATE 36 83 -47 83
SINCE SEP 1 36 83 -47 83
SINCE JUL 1 125 215 -90 201
COOLING
TODAY 0 0 0 0
MONTH TO DATE 5 0 5 10
SINCE SEP 1 5 0 5 10
SINCE JAN 1 92 71 21 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 51 300 PM
AVERAGE 74
......................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 78 1991
MINIMUM TEMPERATURE (F) 49 37 1972
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 650 AM PDT SUNSET 718 PM PDT
SEPTEMBER 18 2025.....SUNRISE 652 AM PDT SUNSET 716 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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