534
CDUS46 KSEW 220826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON JUN 22 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 21 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 452 PM 89 1992 72 5 58
2021
MINIMUM 52 254 AM 43 1947 54 -2 50
AVERAGE 65 63 2 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 1967 0.04 -0.04 0.35
MONTH TO DATE 1.24 1.10 0.14 0.35
SINCE OCT 1 35.83 35.81 0.02 27.69
SINCE JAN 1 19.05 19.87 -0.82 14.29
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 3.0 2.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 11
MONTH TO DATE 65 93 -28 81
SINCE JUN 1 65 93 -28 81
SINCE JUL 1 3980 4351 -371 4408
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 44 21 23 28
SINCE JUN 1 44 21 23 28
SINCE JAN 1 54 31 23 31
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 300 AM
LOWEST 33 300 PM
AVERAGE 60
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1992
MINIMUM TEMPERATURE (F) 54 45 1952
SUNRISE AND SUNSET
JUNE 22 2026..........SUNRISE 512 AM PDT SUNSET 910 PM PDT
JUNE 23 2026..........SUNRISE 513 AM PDT SUNSET 910 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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