902
CDUS46 KSEW 180117
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SUN MAY 17 2026
...............................
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 17 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
.................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 MM 90 2008 57
MINIMUM 44 MM 41 1906 48
2003
AVERAGE 55 53
PRECIPITATION (IN)
TODAY 0.01 0.83 2025 0.83
MONTH TO DATE 0.39 1.14
SINCE OCT 1 30.73 29.40
SINCE JAN 1 14.50 13.26
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.2 2.6
SINCE JUL 1 0.2 2.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 12
MONTH TO DATE 110 146
SINCE MAR 1 985 1006
SINCE JUL 1 3542 3952
COOLING
TODAY 0 0
MONTH TO DATE 3 0
SINCE MAR 1 3 0
SINCE JAN 1 3 0
.................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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