256
CDUS46 KSEW 060117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT TUE MAY 05 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 5 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 63 333 PM 86 1953 64 -1 70
MINIMUM 53 158 AM 33 1947 47 6 42
AVERAGE 58 55 3 56
PRECIPITATION (IN)
TODAY 0.00 0.70 2023 0.07 -0.07 0.00
MONTH TO DATE T 0.35 -0.35 T
SINCE OCT 1 33.45 33.18 0.27 26.51
SINCE JAN 1 16.67 17.24 -0.57 13.11
SNOWFALL (IN)
TODAY 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
TODAY 7 10 -3 9
MONTH TO DATE 13 51 -38 46
SINCE MAR 1 969 1020 -51 973
SINCE JUL 1 3719 4067 -348 4130
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE MAR 1 4 1 3 0
SINCE JAN 1 4 1 3 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 69 200 PM
AVERAGE 79
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 87 2013
MINIMUM TEMPERATURE (F) 47 36 1965
2002
SUNRISE AND SUNSET
MAY 5 2026...........SUNRISE 546 AM PDT SUNSET 827 PM PDT
MAY 6 2026...........SUNRISE 544 AM PDT SUNSET 828 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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