767
CDUS46 KSEW 280830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT TUE APR 28 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 27 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 57 249 PM 81 1987 62 -5 58
MINIMUM 47 1143 PM 31 1948 45 2 44
AVERAGE 52 54 -2 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 1952 0.09 -0.09 0.00
MONTH TO DATE 2.73 2.94 -0.21 2.36
SINCE OCT 1 33.41 32.59 0.82 26.32
SINCE JAN 1 16.63 16.65 -0.02 12.92
SNOWFALL (IN)
YESTERDAY 0.0 T 1970 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 MM
DEGREE DAYS
HEATING
YESTERDAY 13 12 1 14
MONTH TO DATE 346 379 -33 342
SINCE MAR 1 931 936 -5 888
SINCE JUL 1 3681 3983 -302 4045
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 10 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 100 AM
LOWEST 63 800 PM
AVERAGE 75
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 80 2023
MINIMUM TEMPERATURE (F) 45 31 1955
SUNRISE AND SUNSET
APRIL 28 2026.........SUNRISE 557 AM PDT SUNSET 817 PM PDT
APRIL 29 2026.........SUNRISE 555 AM PDT SUNSET 818 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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