710
CDUS46 KSEW 160828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT WED JUL 16 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 15 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 88 416 PM 93 2018 78 10 80
MINIMUM 56 451 AM 49 1982 57 -1 56
AVERAGE 72 67 5 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 1998 0.02 -0.02 0.00
2001
MONTH TO DATE T 0.34 -0.34 0.00
SINCE OCT 1 27.76 36.50 -8.74 33.49
SINCE JAN 1 14.36 20.56 -6.20 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 0
MONTH TO DATE 5 21 -16 2
SINCE JUN 1 99 139 -40 134
SINCE JUL 1 5 21 -16 2
COOLING
YESTERDAY 7 3 4 3
MONTH TO DATE 66 35 31 110
SINCE JUN 1 108 64 44 129
SINCE JAN 1 111 74 37 136
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 24 600 PM
AVERAGE 56
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 98 1979
MINIMUM TEMPERATURE (F) 57 50 1953
1968
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 529 AM PDT SUNSET 901 PM PDT
JULY 17 2025..........SUNRISE 530 AM PDT SUNSET 900 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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