105
CDUS46 KSEW 210826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN JUN 21 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 20 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 71 334 PM 88 2004 72 -1 63
2018
MINIMUM 54 513 AM 43 1960 54 0 51
AVERAGE 63 63 0 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.14 1984 0.05 -0.05 T
MONTH TO DATE 1.24 1.06 0.18 T
SINCE OCT 1 35.83 35.77 0.06 27.34
SINCE JAN 1 19.05 19.83 -0.78 13.94
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 0
DEGREE DAYS
HEATING
YESTERDAY 2 3 -1 8
MONTH TO DATE 65 90 -25 70
SINCE JUN 1 65 90 -25 70
SINCE JUL 1 3980 4348 -368 4397
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 44 20 24 28
SINCE JUN 1 44 20 24 28
SINCE JAN 1 54 30 24 31
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 200 AM
LOWEST 44 400 PM
AVERAGE 64
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 89 1992
2021
MINIMUM TEMPERATURE (F) 54 43 1947
SUNRISE AND SUNSET
JUNE 21 2026..........SUNRISE 512 AM PDT SUNSET 910 PM PDT
JUNE 22 2026..........SUNRISE 512 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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