916
CDUS46 KSEW 240117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SAT MAY 23 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 23 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 65 459 PM 90 1969 68 -3 67
MINIMUM 51 601 AM 37 1950 50 1 49
1980
AVERAGE 58 59 -1 58
PRECIPITATION (IN)
TODAY 0.00 0.70 1962 0.06 -0.06 0.00
MONTH TO DATE 0.49 1.43 -0.94 0.65
SINCE OCT 1 33.94 34.26 -0.32 27.16
SINCE JAN 1 17.16 18.32 -1.16 13.76
SNOWFALL (IN)
TODAY 0.0 T 1989 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
TODAY 7 6 1 7
MONTH TO DATE 153 194 -41 215
SINCE MAR 1 1109 1163 -54 1142
SINCE JUL 1 3859 4210 -351 4299
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 AM
LOWEST 60 400 PM
AVERAGE 78
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1992
MINIMUM TEMPERATURE (F) 50 37 1950
1975
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 523 AM PDT SUNSET 849 PM PDT
MAY 24 2026...........SUNRISE 522 AM PDT SUNSET 850 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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