969
CDUS46 KSEW 190117
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU SEP 18 2025
...............................
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 66 420 PM 78 1991 68 -2 67
MINIMUM 52 239 AM 37 1972 49 3 50
AVERAGE 59 58 1 59
PRECIPITATION (IN)
TODAY 0.00 0.59 1988 0.07 -0.07 0.00
MONTH TO DATE 0.10 1.10 -1.00 0.59
SINCE OCT 1 31.43 33.80 -2.37 37.46
SINCE JAN 1 16.88 20.42 -3.54 24.18
DEGREE DAYS
HEATING
TODAY 6 7 -1 6
MONTH TO DATE 42 90 -48 89
SINCE SEP 1 42 90 -48 89
SINCE JUL 1 131 222 -91 207
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 1 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 65 400 PM
AVERAGE 79
......................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1974
MINIMUM TEMPERATURE (F) 49 33 1957
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 652 AM PDT SUNSET 716 PM PDT
SEPTEMBER 19 2025.....SUNRISE 653 AM PDT SUNSET 713 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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