CDUS46 KSEW 230826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT SUN AUG 23 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 76 257 PM 89 2018 77 -1 89 MINIMUM 59 703 AM 45 1960 57 2 57 AVERAGE 68 67 1 73 PRECIPITATION (IN) YESTERDAY T 1.41 2001 0.04 -0.04 0.00 MONTH TO DATE T 0.62 -0.62 1.14 SINCE OCT 1 36.35 37.38 -1.03 28.91 SINCE JAN 1 19.57 21.44 -1.87 15.51 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 3.0 2.3 SINCE JUL 1 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 1 15 -14 2 SINCE JUN 1 116 164 -48 117 SINCE JUL 1 21 46 -25 23 COOLING YESTERDAY 3 3 0 8 MONTH TO DATE 79 79 0 75 SINCE JUN 1 237 204 33 236 SINCE JAN 1 247 214 33 239 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 7.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 93 100 AM LOWEST 50 300 PM AVERAGE 72 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 91 1988 MINIMUM TEMPERATURE (F) 57 46 1955SUNRISE AND SUNSET AUGUST 23 2026........SUNRISE 616 AM PDT SUNSET 806 PM PDT AUGUST 24 2026........SUNRISE 618 AM PDT SUNSET 804 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$