506
CDUS46 KSEW 030828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT FRI OCT 03 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 69 200 PM 80 2022 66 3 63
MINIMUM 54 1159 PM 35 1950 50 4 50
AVERAGE 62 58 4 57
PRECIPITATION (IN)
YESTERDAY T 0.80 2007 0.08 -0.08 0.00
MONTH TO DATE 0.30 0.16 0.14 T
SINCE OCT 1 0.30 0.16 0.14 T
SINCE JAN 1 16.57 23.56 -6.99 18.78
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 7 -4 8
MONTH TO DATE 7 14 -7 16
SINCE SEP 1 58 116 -58 122
SINCE JUL 1 82 171 -89 160
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 34 30 4 42
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1100 PM
LOWEST 47 400 PM
AVERAGE 65
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 80 1993
MINIMUM TEMPERATURE (F) 50 39 1949
SUNRISE AND SUNSET
OCTOBER 3 2025.......SUNRISE 712 AM PDT SUNSET 644 PM PDT
OCTOBER 4 2025.......SUNRISE 713 AM PDT SUNSET 642 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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