Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 310827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT OCT 31 2026
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 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 49 352 PM 66 1967 56 -7 52
MINIMUM 42 1159 PM 30 1991 44 -2 42
AVERAGE 46 50 -4 47
PRECIPITATION (IN)
YESTERDAY 0.54 1.36 2012 0.18 0.36 0.00
MONTH TO DATE 1.29 3.74 -2.45 3.09
SINCE OCT 1 1.29 3.74 -2.45 3.09
SINCE JAN 1 22.88 27.14 -4.26 19.36
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 19 15 4 18
MONTH TO DATE 302 334 -32 339
SINCE SEP 1 435 436 -1 390
SINCE JUL 1 460 491 -31 414
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
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 900 AM
LOWEST 82 800 PM
AVERAGE 89
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 71 1949
MINIMUM TEMPERATURE (F) 44 30 2003
2006
SUNRISE AND SUNSET
OCTOBER 31 2026.......SUNRISE 752 AM PDT SUNSET 553 PM PDT
NOVEMBER 1 2026......SUNRISE 653 AM PST SUNSET 452 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$