536
CDUS46 KSEW 280826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU MAY 28 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 27 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 75 432 PM 89 2005 68 7 75
MINIMUM 48 241 AM 37 1966 51 -3 48
AVERAGE 62 59 3 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1948 0.05 -0.05 0.00
MONTH TO DATE 0.76 1.65 -0.89 0.71
SINCE OCT 1 34.21 34.48 -0.27 27.22
SINCE JAN 1 17.43 18.54 -1.11 13.82
SNOWFALL (IN)
YESTERDAY 0.0 T 1951 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 3 6 -3 3
MONTH TO DATE 180 218 -38 232
SINCE MAR 1 1136 1187 -51 1159
SINCE JUL 1 3886 4234 -348 4316
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 6 0 6 0
SINCE MAR 1 6 1 5 0
SINCE JAN 1 6 1 5 0
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 42 300 PM
AVERAGE 68
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 92 1983
MINIMUM TEMPERATURE (F) 51 38 1954
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 519 AM PDT SUNSET 855 PM PDT
MAY 29 2026...........SUNRISE 518 AM PDT SUNSET 856 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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