870
CDUS46 KSEW 180224
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
624 PM PST WED DEC 17 2025
...............................
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 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 50 1246 AM 57 1976 45 5 55
1994
MINIMUM 43 837 AM 6 1964 34 9 37
AVERAGE 47 39 8 46
PRECIPITATION (IN)
TODAY 0.20 1.85 1971 0.13 0.07 1.01
MONTH TO DATE 6.43 2.34 4.09 3.10
SINCE OCT 1 16.43 11.39 5.04 12.29
SINCE JAN 1 34.56 32.72 1.84 37.88
DEGREE DAYS
HEATING
TODAY 18 26 -8 19
MONTH TO DATE 304 420 -116 416
SINCE DEC 1 304 420 -116 416
SINCE JUL 1 1551 1789 -238 1748
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 92 75 17 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 60 1000 AM
AVERAGE 79
......................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 56 1979
2014
2024
MINIMUM TEMPERATURE (F) 34 15 1984
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 758 AM PST SUNSET 415 PM PST
DECEMBER 18 2025......SUNRISE 759 AM PST SUNSET 415 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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