163
CDUS46 KSEW 140827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT FRI AUG 14 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 13 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
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 249 PM 92 2002 78 3 78
MINIMUM 56 656 AM 44 1955 58 -2 62
AVERAGE 69 68 1 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.85 2014 0.02 -0.02 0.00
MONTH TO DATE T 0.31 -0.31 0.16
SINCE OCT 1 36.35 37.07 -0.72 27.93
SINCE JAN 1 19.57 21.13 -1.56 14.53
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 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 6 -5 2
SINCE JUN 1 116 155 -39 117
SINCE JUL 1 21 37 -16 23
COOLING
YESTERDAY 4 4 0 5
MONTH TO DATE 47 52 -5 53
SINCE JUN 1 205 177 28 214
SINCE JAN 1 215 187 28 217
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 AM
LOWEST 47 500 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 2010
MINIMUM TEMPERATURE (F) 58 44 1955
SUNRISE AND SUNSET
AUGUST 14 2026........SUNRISE 604 AM PDT SUNSET 822 PM PDT
AUGUST 15 2026........SUNRISE 606 AM PDT SUNSET 821 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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