765
CDUS46 KSEW 290117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT TUE JUL 28 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 28 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 73 223 PM 97 1958 79 -6 82
1998
2009
MINIMUM 60 226 AM 47 1953 58 2 54
AVERAGE 67 68 -1 68
PRECIPITATION (IN)
TODAY 0.00 0.22 1993 0.02 -0.02 0.00
MONTH TO DATE 0.42 0.55 -0.13 0.01
SINCE OCT 1 36.35 36.71 -0.36 27.77
SINCE JAN 1 19.57 20.77 -1.20 14.37
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 20 34 -14 21
SINCE JUN 1 115 152 -37 115
SINCE JUL 1 20 34 -14 21
COOLING
TODAY 2 4 -2 3
MONTH TO DATE 80 84 -4 101
SINCE JUN 1 151 113 38 143
SINCE JAN 1 161 123 38 146
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 200 AM
LOWEST 53 1100 AM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2009
MINIMUM TEMPERATURE (F) 58 45 1954
SUNRISE AND SUNSET
JULY 28 2026..........SUNRISE 543 AM PDT SUNSET 848 PM PDT
JULY 29 2026..........SUNRISE 544 AM PDT SUNSET 847 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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