937
CDUS46 KSEW 190118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT WED MAR 18 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 18 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 57 118 PM 76 2019 55 2 50
MINIMUM 50 334 AM 29 1954 40 10 34
AVERAGE 54 47 7 42
PRECIPITATION (IN)
TODAY 0.13 1.86 1997 0.14 -0.01 T
MONTH TO DATE 4.56 2.50 2.06 2.51
SINCE OCT 1 28.53 27.98 0.55 21.31
SINCE JAN 1 11.75 12.04 -0.29 7.91
SNOWFALL (IN)
TODAY 0.0 0.8 1973 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 11 18 -7 23
MONTH TO DATE 343 339 4 360
SINCE MAR 1 343 339 4 360
SINCE JUL 1 3093 3386 -293 3517
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 9 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 87 100 PM
AVERAGE 94
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 79 2019
MINIMUM TEMPERATURE (F) 40 27 1965
SUNRISE AND SUNSET
MARCH 18 2026.........SUNRISE 716 AM PDT SUNSET 719 PM PDT
MARCH 19 2026.........SUNRISE 714 AM PDT SUNSET 721 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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