921
CDUS46 KSEW 010826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT AUG 01 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 31 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 425 PM 95 2022 79 5 80
MINIMUM 56 515 AM 47 1954 58 -2 60
AVERAGE 70 68 2 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 1955 0.02 -0.02 0.00
MONTH TO DATE 0.42 0.60 -0.18 0.01
SINCE OCT 1 36.35 36.76 -0.41 27.77
SINCE JAN 1 19.57 20.82 -1.25 14.37
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 20 36 -16 21
SINCE JUN 1 115 154 -39 115
SINCE JUL 1 20 36 -16 21
COOLING
YESTERDAY 5 4 1 5
MONTH TO DATE 87 96 -9 119
SINCE JUN 1 158 125 33 161
SINCE JAN 1 168 135 33 164
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 200 AM
LOWEST 25 600 PM
AVERAGE 52
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 1949
2015
MINIMUM TEMPERATURE (F) 58 48 1945
SUNRISE AND SUNSET
AUGUST 1 2026........SUNRISE 547 AM PDT SUNSET 843 PM PDT
AUGUST 2 2026........SUNRISE 549 AM PDT SUNSET 841 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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