360
CDUS46 KSEW 170117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU APR 16 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 16 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 56 442 PM 81 1947 59 -3 61
1999
MINIMUM 36 558 AM 34 1960 43 -7 45
1972
1976
AVERAGE 46 51 -5 53
PRECIPITATION (IN)
TODAY 0.00 0.95 1992 0.11 -0.11 0.00
MONTH TO DATE 2.22 1.86 0.36 1.95
SINCE OCT 1 32.90 31.51 1.39 25.91
SINCE JAN 1 16.12 15.57 0.55 12.51
SNOWFALL (IN)
TODAY 0.0 1.1 1972 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 3.0 2.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 19 14 5 12
MONTH TO DATE 229 240 -11 220
SINCE MAR 1 814 797 17 766
SINCE JUL 1 3564 3844 -280 3923
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 S (180)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 35 400 PM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 80 2016
2021
MINIMUM TEMPERATURE (F) 43 33 1964
SUNRISE AND SUNSET
APRIL 16 2026.........SUNRISE 618 AM PDT SUNSET 800 PM PDT
APRIL 17 2026.........SUNRISE 617 AM PDT SUNSET 802 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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