185
CDUS46 KSEW 200826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT JUN 20 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 19 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 82 532 PM 92 1982 72 10 69
MINIMUM 56 1159 PM 43 1951 53 3 50
1955
AVERAGE 69 62 7 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 1989 0.05 -0.05 0.00
MONTH TO DATE 1.24 1.01 0.23 T
SINCE OCT 1 35.83 35.72 0.11 27.34
SINCE JAN 1 19.05 19.78 -0.73 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 0 4 -4 5
MONTH TO DATE 63 87 -24 62
SINCE JUN 1 63 87 -24 62
SINCE JUL 1 3978 4345 -367 4389
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 44 19 25 28
SINCE JUN 1 44 19 25 28
SINCE JAN 1 54 29 25 31
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 300 AM
LOWEST 28 500 PM
AVERAGE 49
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 88 2004
2018
MINIMUM TEMPERATURE (F) 54 43 1960
SUNRISE AND SUNSET
JUNE 20 2026..........SUNRISE 512 AM PDT SUNSET 910 PM PDT
JUNE 21 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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