674
CDUS46 KSEW 100117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU JUL 09 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 9 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 79 429 PM 98 2024 76 3 72
MINIMUM 54 440 AM 48 1960 56 -2 59
AVERAGE 67 66 1 66
PRECIPITATION (IN)
TODAY 0.00 0.81 1995 0.02 -0.02 T
MONTH TO DATE T 0.22 -0.22 T
SINCE OCT 1 35.93 36.38 -0.45 27.76
SINCE JAN 1 19.15 20.44 -1.29 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 14 15 -1 5
SINCE JUN 1 109 133 -24 99
SINCE JUL 1 14 15 -1 5
COOLING
TODAY 2 2 0 1
MONTH TO DATE 9 18 -9 26
SINCE JUN 1 80 47 33 68
SINCE JAN 1 90 57 33 71
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 33 400 PM
AVERAGE 63
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 1945
MINIMUM TEMPERATURE (F) 56 46 1960
SUNRISE AND SUNSET
JULY 9 2026..........SUNRISE 522 AM PDT SUNSET 906 PM PDT
JULY 10 2026..........SUNRISE 523 AM PDT SUNSET 906 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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