452
CDUS46 KSEW 270828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT WED MAY 27 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 26 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 62 552 PM 89 2005 68 -6 67
MINIMUM 48 208 AM 40 1952 51 -3 51
AVERAGE 55 59 -4 59
PRECIPITATION (IN)
YESTERDAY 0.10 0.61 1954 0.06 0.04 0.06
MONTH TO DATE 0.76 1.60 -0.84 0.71
SINCE OCT 1 34.21 34.43 -0.22 27.22
SINCE JAN 1 17.43 18.49 -1.06 13.82
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 10 6 4 6
MONTH TO DATE 177 212 -35 229
SINCE MAR 1 1133 1181 -48 1156
SINCE JUL 1 3883 4228 -345 4313
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 NW (320)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 58 500 PM
AVERAGE 78
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 2005
MINIMUM TEMPERATURE (F) 51 37 1966
SUNRISE AND SUNSET
MAY 27 2026...........SUNRISE 520 AM PDT SUNSET 854 PM PDT
MAY 28 2026...........SUNRISE 519 AM PDT SUNSET 855 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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