CDUS46 KSEW 240829 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 129 AM PDT MON AUG 24 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 75 356 PM 91 1988 77 -2 90 MINIMUM 59 451 AM 46 1955 57 2 62 AVERAGE 67 67 0 76 PRECIPITATION (IN) YESTERDAY 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) 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 16 -15 2 SINCE JUN 1 116 165 -49 117 SINCE JUL 1 21 47 -26 23 COOLING YESTERDAY 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 2 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 700 AM LOWEST 46 400 PM AVERAGE 68 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 90 2025 MINIMUM TEMPERATURE (F) 57 45 1951 SUNRISE AND SUNSET AUGUST 24 2026........SUNRISE 618 AM PDT SUNSET 804 PM PDT AUGUST 25 2026........SUNRISE 619 AM PDT SUNSET 803 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$