903
CDUS46 KSEW 290826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON JUN 29 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 28 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 68 350 PM 108 2021 74 -6 75
MINIMUM 54 543 AM 45 1949 55 -1 55
1954
AVERAGE 61 64 -3 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 1946 0.03 -0.03 0.00
MONTH TO DATE 1.34 1.38 -0.04 0.42
SINCE OCT 1 35.93 36.09 -0.16 27.76
SINCE JAN 1 19.15 20.15 -1.00 14.36
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 4 2 2 0
MONTH TO DATE 82 113 -31 94
SINCE JUN 1 82 113 -31 94
SINCE JUL 1 3997 4371 -374 4421
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 71 32 39 30
SINCE JUN 1 71 32 39 30
SINCE JAN 1 81 42 39 33
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 200 AM
LOWEST 52 100 PM
AVERAGE 71
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 1987
MINIMUM TEMPERATURE (F) 55 45 1949
SUNRISE AND SUNSET
JUNE 29 2026..........SUNRISE 515 AM PDT SUNSET 910 PM PDT
JUNE 30 2026..........SUNRISE 516 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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