914
CDUS46 KSEW 300116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT WED APR 29 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 29 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 66 242 PM 80 1976 63 3 59
MINIMUM 47 535 AM 31 1952 45 2 47
AVERAGE 57 54 3 53
PRECIPITATION (IN)
TODAY 0.00 1.06 1959 0.08 -0.08 0.12
MONTH TO DATE 2.77 3.10 -0.33 2.55
SINCE OCT 1 33.45 32.75 0.70 26.51
SINCE JAN 1 16.67 16.81 -0.14 13.11
SNOWFALL (IN)
TODAY 0.0 T 1954 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 8 11 -3 12
MONTH TO DATE 368 401 -33 368
SINCE MAR 1 953 958 -5 914
SINCE JUL 1 3703 4005 -302 4071
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
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 47 400 PM
AVERAGE 70
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 85 1976
MINIMUM TEMPERATURE (F) 46 32 1954
SUNRISE AND SUNSET
APRIL 29 2026.........SUNRISE 555 AM PDT SUNSET 818 PM PDT
APRIL 30 2026.........SUNRISE 554 AM PDT SUNSET 820 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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