519
CDUS46 KSEW 280121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT FRI MAR 27 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 27 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 58 424 PM 71 1994 56 2 60
MINIMUM 35 557 AM 26 1975 41 -6 47
AVERAGE 47 48 -1 54
PRECIPITATION (IN)
TODAY 0.00 0.64 1968 0.13 -0.13 0.07
2005
MONTH TO DATE 6.47 3.69 2.78 4.72
SINCE OCT 1 30.44 29.17 1.27 23.52
SINCE JAN 1 13.66 13.23 0.43 10.12
SNOWFALL (IN)
TODAY 0.0 T 1988 0.0
2008
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 18 17 1 11
MONTH TO DATE 504 493 11 483
SINCE MAR 1 504 493 11 483
SINCE JUL 1 3254 3540 -286 3640
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 7 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 400 AM
LOWEST 36 400 PM
AVERAGE 63
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 73 1994
MINIMUM TEMPERATURE (F) 41 26 1954
SUNRISE AND SUNSET
MARCH 27 2026.........SUNRISE 658 AM PDT SUNSET 732 PM PDT
MARCH 28 2026.........SUNRISE 656 AM PDT SUNSET 734 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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