CDUS46 KSEW 210827 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 127 AM PDT SAT MAR 21 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 20 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 58 319 PM 79 2019 55 3 49 MINIMUM 45 1159 PM 26 1955 40 5 41 AVERAGE 52 48 4 45 PRECIPITATION (IN) YESTERDAY 0.30 0.76 1984 0.13 0.17 0.43 MONTH TO DATE 5.45 2.76 2.69 2.94 SINCE OCT 1 29.42 28.24 1.18 21.74 SINCE JAN 1 12.64 12.30 0.34 8.34 SNOWFALL (IN) YESTERDAY 0.0 2.3 1966 0.0 MONTH TO DATE 3.0 0.0 SINCE OCT 1 3.0 2.3 SINCE JUL 1 3.0 2.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 13 17 -4 20 MONTH TO DATE 369 374 -5 396 SINCE MAR 1 369 374 -5 396 SINCE JUL 1 3119 3421 -302 3553 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 10.5 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1200 AM LOWEST 64 500 PM AVERAGE 81 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 69 1992MINIMUM TEMPERATURE (F) 41 29 1952 1954 2009 SUNRISE AND SUNSET MARCH 21 2026.........SUNRISE 710 AM PDT SUNSET 724 PM PDT MARCH 22 2026.........SUNRISE 708 AM PDT SUNSET 725 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$