CDUS46 KSEW 240121 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 621 PM PDT SUN AUG 23 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 2026... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 75 356 PM 91 1988 77 -2 90 MINIMUM 59 451 AM 46 1955 57 2 62 AVERAGE 67 67 0 76 PRECIPITATION (IN) TODAY T 1.49 1977 0.03 -0.03 0.00 MONTH TO DATE T 0.65 -0.65 1.14 SINCE OCT 1 36.35 37.41 -1.06 28.91 SINCE JAN 1 19.57 21.47 -1.90 15.51 SNOWFALL (IN) TODAY 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 TODAY 0 1 -1 0 MONTH TO DATE 1 16 -15 2 SINCE JUN 1 116 165 -49 117 SINCE JUL 1 21 47 -26 23 COOLING TODAY 2 3 -1 11 MONTH TO DATE 81 82 -1 86 SINCE JUN 1 239 207 32 247 SINCE JAN 1 249 217 32 250 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.0 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 700 AM LOWEST 46 400 PM AVERAGE 68 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 90 2025 MINIMUM TEMPERATURE (F) 57 45 1951 SUNRISE 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. $$