424
CDUS46 KSEW 220826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED JUL 22 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 21 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 93 MM 97 2006 79 14 77
MINIMUM 63 MM 48 1951 58 5 54
AVERAGE 78 68 10 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2007 0.02 -0.02 0.00
MONTH TO DATE 0.36 0.44 -0.08 T
SINCE OCT 1 36.29 36.60 -0.31 27.76
SINCE JAN 1 19.51 20.66 -1.15 14.36
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 20 27 -7 16
SINCE JUN 1 115 145 -30 110
SINCE JUL 1 20 27 -7 16
COOLING
YESTERDAY 13 4 9 1
MONTH TO DATE 48 56 -8 88
SINCE JUN 1 119 85 34 130
SINCE JAN 1 129 95 34 133
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 600 AM
LOWEST 26 700 PM
AVERAGE 53
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2006
MINIMUM TEMPERATURE (F) 58 49 1954
1973
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 535 AM PDT SUNSET 855 PM PDT
JULY 23 2026..........SUNRISE 537 AM PDT SUNSET 854 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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