348
CDUS46 KSEW 300116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT TUE JUL 29 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 29 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 85 457 PM 103 2009 79 6 69
MINIMUM 57 252 AM 45 1954 58 -1 58
AVERAGE 71 68 3 64
PRECIPITATION (IN)
TODAY 0.00 0.17 1993 0.01 -0.01 0.13
MONTH TO DATE 0.01 0.56 -0.55 0.13
SINCE OCT 1 27.77 36.72 -8.95 33.62
SINCE JAN 1 14.37 20.78 -6.41 16.47
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 1
MONTH TO DATE 21 35 -14 7
SINCE JUN 1 115 153 -38 139
SINCE JUL 1 21 35 -14 7
COOLING
TODAY 6 4 2 0
MONTH TO DATE 107 88 19 155
SINCE JUN 1 149 117 32 174
SINCE JAN 1 152 127 25 181
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 300 AM
LOWEST 25 300 PM
AVERAGE 49
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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 2025..........SUNRISE 544 AM PDT SUNSET 847 PM PDT
JULY 30 2025..........SUNRISE 545 AM PDT SUNSET 845 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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