657
CDUS46 KSEW 190827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON OCT 19 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2026...
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)
YESTERDAY
MAXIMUM 60 222 PM 71 2023 60 0 54
MINIMUM 43 657 AM 32 1949 47 -4 45
AVERAGE 52 53 -1 50
PRECIPITATION (IN)
YESTERDAY 0.00 2.23 1947 0.13 -0.13 0.37
MONTH TO DATE 0.08 1.88 -1.80 0.97
SINCE OCT 1 0.08 1.88 -1.80 0.97
SINCE JAN 1 21.67 25.28 -3.61 17.24
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 13 12 1 15
MONTH TO DATE 138 169 -31 175
SINCE SEP 1 271 271 0 226
SINCE JUL 1 296 326 -30 250
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 2 30 -28 34
SINCE JAN 1 267 263 4 328
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 53 300 PM
AVERAGE 77
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 72 2014
MINIMUM TEMPERATURE (F) 46 28 1949
SUNRISE AND SUNSET
OCTOBER 19 2026.......SUNRISE 734 AM PDT SUNSET 614 PM PDT
OCTOBER 20 2026.......SUNRISE 735 AM PDT SUNSET 612 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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