354
CDUS46 KSEW 010827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON JUN 01 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 31 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 458 PM 90 1964 69 -1 64
MINIMUM 47 446 AM 35 1953 51 -4 52
AVERAGE 58 60 -2 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.97 1977 0.05 -0.05 0.02
MONTH TO DATE 1.14 1.88 -0.74 0.83
SINCE OCT 1 34.59 34.71 -0.12 27.34
SINCE JAN 1 17.81 18.77 -0.96 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 7 6 1 7
MONTH TO DATE 209 242 -33 243
SINCE MAR 1 1165 1211 -46 1170
SINCE JUL 1 3915 4258 -343 4327
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 9 1 3
SINCE MAR 1 10 10 0 3
SINCE JAN 1 10 10 0 3
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 400 AM
LOWEST 27 300 PM
AVERAGE 48
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 94 1970
MINIMUM TEMPERATURE (F) 51 40 1951
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 516 AM PDT SUNSET 859 PM PDT
JUNE 2 2026..........SUNRISE 516 AM PDT SUNSET 859 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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