010
CDUS46 KSEW 150826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI MAY 15 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 14 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 62 1157 AM 89 2023 66 -4 62
MINIMUM 48 1159 PM 36 1964 49 -1 49
AVERAGE 55 57 -2 56
PRECIPITATION (IN)
YESTERDAY 0.01 0.97 2011 0.06 -0.05 0.02
MONTH TO DATE 0.15 0.92 -0.77 0.04
SINCE OCT 1 33.60 33.75 -0.15 26.55
SINCE JAN 1 16.82 17.81 -0.99 13.15
SNOWFALL (IN)
YESTERDAY MM 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
YESTERDAY 10 8 2 9
MONTH TO DATE 78 130 -52 124
SINCE MAR 1 1034 1099 -65 1051
SINCE JUL 1 3784 4146 -362 4208
COOLING
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1100 PM
LOWEST 51 1200 PM
AVERAGE 71
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 88 2023
MINIMUM TEMPERATURE (F) 49 38 1964
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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