675
CDUS46 KSEW 230827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED JUL 23 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 22 2025
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)
YESTERDAY
MAXIMUM 78 513 PM 96 2006 79 -1 68
MINIMUM 57 729 AM 49 1954 58 -1 57
1973
AVERAGE 68 68 0 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 1952 0.01 -0.01 T
2016
MONTH TO DATE T 0.45 -0.45 T
SINCE OCT 1 27.76 36.61 -8.85 33.49
SINCE JAN 1 14.36 20.67 -6.31 16.34
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 1 -1 2
MONTH TO DATE 16 28 -12 4
SINCE JUN 1 110 146 -36 136
SINCE JUL 1 16 28 -12 4
COOLING
YESTERDAY 3 4 -1 0
MONTH TO DATE 91 60 31 149
SINCE JUN 1 133 89 44 168
SINCE JAN 1 136 99 37 175
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)
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 87 1200 AM
LOWEST 43 500 PM
AVERAGE 65
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 99 1991
MINIMUM TEMPERATURE (F) 58 47 1955
1963
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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