695
CDUS46 KSEW 010826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI MAY 01 2026
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..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 30 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 MM 85 1976 63 12 61
MINIMUM 48 MM 32 1954 46 2 43
AVERAGE 62 54 8 52
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1987 0.08 -0.08 0.00
MONTH TO DATE 2.77 3.18 -0.41 2.55
SINCE OCT 1 33.45 32.83 0.62 26.51
SINCE JAN 1 16.67 16.89 -0.22 13.11
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 3 11 -8 13
MONTH TO DATE 371 412 -41 381
SINCE MAR 1 956 969 -13 927
SINCE JUL 1 3706 4016 -310 4084
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 32 500 PM
AVERAGE 59
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 85 2014
MINIMUM TEMPERATURE (F) 46 28 1954
SUNRISE AND SUNSET
MAY 1 2026...........SUNRISE 552 AM PDT SUNSET 821 PM PDT
MAY 2 2026...........SUNRISE 551 AM PDT SUNSET 823 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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