CDUS46 KSEW 220116 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 616 PM PDT SAT MAR 21 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 21 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 52 402 PM 69 1992 55 -3 52 MINIMUM 43 944 AM 29 1952 41 2 39 1954 2009 AVERAGE 48 48 0 46 PRECIPITATION (IN) TODAY 0.00 2.04 1948 0.14 -0.14 0.23 MONTH TO DATE 5.45 2.90 2.55 3.17 SINCE OCT 1 29.42 28.38 1.04 21.97 SINCE JAN 1 12.64 12.44 0.20 8.57 SNOWFALL (IN) TODAY 0.0 0.2 1994 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 TODAY 17 17 0 19 MONTH TO DATE 386 391 -5 415 SINCE MAR 1 386 391 -5 415 SINCE JUL 1 3136 3438 -302 3572 COOLING TODAY 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 6 RESULTANT WIND DIRECTION N (360) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 8.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 82 1200 AM LOWEST 46 300 PM AVERAGE 64 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 68 1979 MINIMUM TEMPERATURE (F) 41 28 1952 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. $$