196
CDUS46 KSEW 030826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU SEP 03 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 70 1102 AM 98 1988 75 -5 79
MINIMUM 55 1109 PM 41 1960 56 -1 58
AVERAGE 63 66 -3 69
PRECIPITATION (IN)
YESTERDAY 0.23 0.71 1979 0.04 0.19 0.00
MONTH TO DATE 0.23 0.08 0.15 0.00
SINCE OCT 1 37.14 37.81 -0.67 28.91
SINCE JAN 1 20.36 21.87 -1.51 15.51
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 2 0 0
MONTH TO DATE 5 4 1 0
SINCE SEP 1 5 4 1 0
SINCE JUL 1 30 59 -29 24
COOLING
YESTERDAY 0 2 -2 4
MONTH TO DATE 0 4 -4 4
SINCE SEP 1 0 4 -4 4
SINCE JAN 1 265 237 28 298
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 47 1100 AM
AVERAGE 70
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1988
MINIMUM TEMPERATURE (F) 56 45 1956
SUNRISE AND SUNSET
SEPTEMBER 3 2026.....SUNRISE 631 AM PDT SUNSET 745 PM PDT
SEPTEMBER 4 2026.....SUNRISE 632 AM PDT SUNSET 743 PM PDT
- 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