450
CDUS46 KSEW 310116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT SUN MAR 30 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 30 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 63 151 PM 72 1995 56 7 58
MINIMUM 40 545 AM 27 1954 41 -1 40
AVERAGE 52 49 3 49
PRECIPITATION (IN)
TODAY 0.00 0.65 1963 0.12 -0.12 0.00
MONTH TO DATE 5.07 4.05 1.02 2.36
SINCE OCT 1 23.87 29.53 -5.66 29.87
SINCE JAN 1 10.47 13.59 -3.12 12.72
SNOWFALL (IN)
TODAY 0.0 T 1982 0.0
1996
2008
MONTH TO DATE 0.0 0.3
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 16 -3 16
MONTH TO DATE 529 541 -12 535
SINCE MAR 1 529 541 -12 535
SINCE JUL 1 3686 3588 98 3446
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 E (70)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 25 100 PM
AVERAGE 59
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 75 1987
MINIMUM TEMPERATURE (F) 41 30 1949
SUNRISE AND SUNSET
MARCH 30 2025.........SUNRISE 651 AM PDT SUNSET 737 PM PDT
MARCH 31 2025.........SUNRISE 649 AM PDT SUNSET 738 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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