201
CDUS46 KSEW 070828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT TUE OCT 07 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 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 70 312 PM 78 1952 64 6 67
2014
MINIMUM 46 605 AM 37 1946 49 -3 46
1955
AVERAGE 58 57 1 57
PRECIPITATION (IN)
YESTERDAY 0.00 2.72 1981 0.10 -0.10 0.00
MONTH TO DATE 0.30 0.52 -0.22 0.42
SINCE OCT 1 0.30 0.52 -0.22 0.42
SINCE JAN 1 16.57 23.92 -7.35 19.20
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 7 8 -1 8
MONTH TO DATE 36 45 -9 52
SINCE SEP 1 87 147 -60 158
SINCE JUL 1 111 202 -91 196
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 N (10)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 39 300 PM
AVERAGE 66
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 79 2023
MINIMUM TEMPERATURE (F) 49 37 1983
SUNRISE AND SUNSET
OCTOBER 7 2025.......SUNRISE 717 AM PDT SUNSET 636 PM PDT
OCTOBER 8 2025.......SUNRISE 718 AM PDT SUNSET 634 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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