161
CDUS46 KSEW 240123
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
623 PM PDT WED JUL 23 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 23 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 457 PM 99 1991 79 4 76
MINIMUM 57 745 AM 47 1955 58 -1 58
1963
AVERAGE 70 68 2 67
PRECIPITATION (IN)
TODAY 0.00 0.76 2014 0.02 -0.02 0.00
MONTH TO DATE T 0.47 -0.47 T
SINCE OCT 1 27.76 36.63 -8.87 33.49
SINCE JAN 1 14.36 20.69 -6.33 16.34
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 16 29 -13 4
SINCE JUN 1 110 147 -37 136
SINCE JUL 1 16 29 -13 4
COOLING
TODAY 5 4 1 2
MONTH TO DATE 96 64 32 151
SINCE JUN 1 138 93 45 170
SINCE JAN 1 141 103 38 177
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 40 400 PM
AVERAGE 67
......................................................
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 2025..........SUNRISE 537 AM PDT SUNSET 854 PM PDT
JULY 24 2025..........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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