075
CDUS46 KSEW 010117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SAT MAY 31 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 31 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 64 931 AM 90 1964 69 -5 72
MINIMUM 55 1211 PM 35 1953 51 4 47
AVERAGE 60 60 0 60
PRECIPITATION (IN)
TODAY 0.02 0.97 1977 0.05 -0.03 0.00
MONTH TO DATE 0.83 1.88 -1.05 1.54
SINCE OCT 1 27.34 34.71 -7.37 32.30
SINCE JAN 1 13.94 18.77 -4.83 15.15
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 5 6 -1 5
MONTH TO DATE 241 242 -1 292
SINCE MAR 1 1168 1211 -43 1261
SINCE JUL 1 4325 4258 67 4172
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 3 9 -6 7
SINCE MAR 1 3 10 -7 7
SINCE JAN 1 3 10 -7 7
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 200 PM
LOWEST 41 600 AM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 94 1970
MINIMUM TEMPERATURE (F) 51 40 1951
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 517 AM PDT SUNSET 858 PM PDT
JUNE 1 2025..........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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