229
CDUS46 KSEW 240123
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
623 PM PDT THU JUL 23 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 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 76 413 PM 99 1991 79 -3 83
MINIMUM 61 622 AM 47 1955 58 3 57
1963
AVERAGE 69 68 1 70
PRECIPITATION (IN)
TODAY 0.00 0.76 2014 0.02 -0.02 0.00
MONTH TO DATE 0.41 0.47 -0.06 T
SINCE OCT 1 36.34 36.63 -0.29 27.76
SINCE JAN 1 19.56 20.69 -1.13 14.36
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 29 -9 16
SINCE JUN 1 115 147 -32 110
SINCE JUL 1 20 29 -9 16
COOLING
TODAY 4 4 0 5
MONTH TO DATE 67 64 3 96
SINCE JUN 1 138 93 45 138
SINCE JAN 1 148 103 45 141
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 AM
LOWEST 54 200 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2004
MINIMUM TEMPERATURE (F) 58 43 1953
SUNRISE AND SUNSET
JULY 23 2026..........SUNRISE 537 AM PDT SUNSET 854 PM PDT
JULY 24 2026..........SUNRISE 538 AM PDT SUNSET 853 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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