CDUS46 KSEW 270827 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 127 AM PDT MON OCT 27 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 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 50 405 PM 65 1998 57 -7 61 MINIMUM 43 326 AM 29 1954 45 -2 53 AVERAGE 47 51 -4 57 PRECIPITATION (IN) YESTERDAY 0.38 2.13 1986 0.16 0.22 0.38 MONTH TO DATE 2.80 3.07 -0.27 1.75 SINCE OCT 1 2.80 3.07 -0.27 1.75 SINCE JAN 1 19.07 26.47 -7.40 20.53 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 18 14 4 8 MONTH TO DATE 273 275 -2 256 SINCE SEP 1 324 377 -53 362 SINCE JUL 1 348 432 -84 400 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 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (180) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 10.1 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 PM LOWEST 80 600 AM AVERAGE 87 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEARMAXIMUM TEMPERATURE (F) 57 67 1968 MINIMUM TEMPERATURE (F) 45 31 1970 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. $$