685
CDUS46 KSEW 220123
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
623 PM PDT SUN SEP 21 2025
...............................
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 21 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
.................................................
TEMPERATURE (F)
TODAY
MAXIMUM 70 MM 89 1952 73
MINIMUM 57 MM 36 1895 49
AVERAGE 64 61
PRECIPITATION (IN)
TODAY 0.63 1.58 1972 0.00
MONTH TO DATE 0.68 0.41
SINCE OCT 1 32.41 39.13
SINCE JAN 1 16.27 22.75
SNOWFALL (IN)
TODAY 0.0 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.6 T
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 1 4
MONTH TO DATE 11 40
SINCE SEP 1 11 40
SINCE JUL 1 20 67
COOLING
TODAY 0 0
MONTH TO DATE 48 43
SINCE SEP 1 48 43
SINCE JAN 1 372 332
.................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page