251
CDUS46 KSEW 210117
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT TUE OCT 20 2026
...............................
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR OCTOBER 20 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 63 MM 70 1938 60
MINIMUM 50 MM 34 1949 46
AVERAGE 57 53
PRECIPITATION (IN)
TODAY 0.00 3.59 2003 0.01
MONTH TO DATE 0.47 1.39
SINCE OCT 1 0.47 1.39
SINCE JAN 1 19.41 17.95
SNOWFALL (IN)
TODAY 0.0 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 8 12
MONTH TO DATE 139 175
SINCE SEP 1 241 207
SINCE JUL 1 257 216
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 4 50
SINCE JAN 1 289 374
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WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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