752
CDUS46 KSEW 270826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON APR 27 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 26 2026
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)
YESTERDAY
MAXIMUM 68 352 PM 82 1947 62 6 62
2018
MINIMUM 43 550 AM 32 1948 45 -2 46
AVERAGE 56 53 3 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 1959 0.09 -0.09 0.00
MONTH TO DATE 2.73 2.85 -0.12 2.36
SINCE OCT 1 33.41 32.50 0.91 26.32
SINCE JAN 1 16.63 16.56 0.07 12.92
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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
YESTERDAY 9 12 -3 11
MONTH TO DATE 333 367 -34 328
SINCE MAR 1 918 924 -6 874
SINCE JUL 1 3668 3971 -303 4031
COOLING
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1100 PM
LOWEST 21 300 PM
AVERAGE 54
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 81 1987
MINIMUM TEMPERATURE (F) 45 31 1948
SUNRISE AND SUNSET
APRIL 27 2026.........SUNRISE 559 AM PDT SUNSET 816 PM PDT
APRIL 28 2026.........SUNRISE 557 AM PDT SUNSET 817 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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