979
CDUS46 KSEW 160119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT FRI MAY 15 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 15 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 51 414 PM 88 2023 66 -15 56
MINIMUM 46 518 AM 38 1964 49 -3 44
AVERAGE 49 58 -9 50
PRECIPITATION (IN)
TODAY 0.05 0.81 2011 0.06 -0.01 0.11
MONTH TO DATE 0.20 0.98 -0.78 0.15
SINCE OCT 1 33.65 33.81 -0.16 26.66
SINCE JAN 1 16.87 17.87 -1.00 13.26
SNOWFALL (IN)
TODAY 0.0 T 1974 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 16 8 8 15
MONTH TO DATE 94 138 -44 139
SINCE MAR 1 1050 1107 -57 1066
SINCE JUL 1 3800 4154 -354 4223
COOLING
TODAY 0 0 0 0
MONTH TO DATE 6 0 6 0
SINCE MAR 1 6 1 5 0
SINCE JAN 1 6 1 5 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 100 PM
LOWEST 74 800 AM
AVERAGE 82
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 1985
2008
MINIMUM TEMPERATURE (F) 49 40 2003
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 532 AM PDT SUNSET 840 PM PDT
MAY 16 2026...........SUNRISE 531 AM PDT SUNSET 841 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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