017
CDUS46 KSEW 300117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT WED JUL 29 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 29 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 75 427 PM 103 2009 79 -4 85
MINIMUM 58 542 AM 45 1954 58 0 57
AVERAGE 67 68 -1 71
PRECIPITATION (IN)
TODAY 0.00 0.17 1993 0.01 -0.01 0.00
MONTH TO DATE 0.42 0.56 -0.14 0.01
SINCE OCT 1 36.35 36.72 -0.37 27.77
SINCE JAN 1 19.57 20.78 -1.21 14.37
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 35 -15 21
SINCE JUN 1 115 153 -38 115
SINCE JUL 1 20 35 -15 21
COOLING
TODAY 2 4 -2 6
MONTH TO DATE 81 88 -7 107
SINCE JUN 1 152 117 35 149
SINCE JAN 1 162 127 35 152
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 1200 AM
LOWEST 38 200 PM
AVERAGE 58
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2009
MINIMUM TEMPERATURE (F) 58 48 1951
SUNRISE AND SUNSET
JULY 29 2026..........SUNRISE 544 AM PDT SUNSET 847 PM PDT
JULY 30 2026..........SUNRISE 545 AM PDT SUNSET 846 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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