738
CDUS46 KSEW 240121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT SUN AUG 23 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 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 75 356 PM 91 1988 77 -2 90
MINIMUM 59 451 AM 46 1955 57 2 62
AVERAGE 67 67 0 76
PRECIPITATION (IN)
TODAY T 1.49 1977 0.03 -0.03 0.00
MONTH TO DATE T 0.65 -0.65 1.14
SINCE OCT 1 36.35 37.41 -1.06 28.91
SINCE JAN 1 19.57 21.47 -1.90 15.51
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 1 16 -15 2
SINCE JUN 1 116 165 -49 117
SINCE JUL 1 21 47 -26 23
COOLING
TODAY 2 3 -1 11
MONTH TO DATE 81 82 -1 86
SINCE JUN 1 239 207 32 247
SINCE JAN 1 249 217 32 250
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 AM
LOWEST 46 400 PM
AVERAGE 68
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 2025
MINIMUM TEMPERATURE (F) 57 45 1951
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 616 AM PDT SUNSET 806 PM PDT
AUGUST 24 2026........SUNRISE 618 AM PDT SUNSET 804 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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