CDUS46 KSEW 280117 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 617 PM PDT MON OCT 27 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 54 324 PM 67 1968 57 -3 57 MINIMUM 43 718 AM 31 1970 45 -2 47 AVERAGE 49 51 -2 52 PRECIPITATION (IN) TODAY 0.01 1.23 1967 0.16 -0.15 0.68 MONTH TO DATE 2.81 3.23 -0.42 2.43 SINCE OCT 1 2.81 3.23 -0.42 2.43 SINCE JAN 1 19.08 26.63 -7.55 21.21 SNOWFALL (IN) TODAY MM 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 MM DEGREE DAYS HEATING TODAY 16 14 2 13 MONTH TO DATE 289 289 0 269 SINCE SEP 1 340 391 -51 375 SINCE JUL 1 364 446 -82 413 COOLING TODAY 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 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.0 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 93 600 AM LOWEST 59 400 PM AVERAGE 76 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 68 2017 MINIMUM TEMPERATURE (F)44 29 1946 SUNRISE AND SUNSET OCTOBER 27 2025.......SUNRISE 746 AM PDT SUNSET 559 PM PDT OCTOBER 28 2025.......SUNRISE 748 AM PDT SUNSET 558 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$