Climatological Report (Daily)
Issued by NWS
Issued by NWS
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782
CDUS46 KSEW 030120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT TUE SEP 02 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 416 PM 98 1988 75 4 70
MINIMUM 58 359 AM 41 1960 56 2 59
AVERAGE 69 66 3 65
PRECIPITATION (IN)
TODAY 0.00 0.71 1979 0.04 -0.04 T
MONTH TO DATE 0.00 0.08 -0.08 T
SINCE OCT 1 28.91 37.81 -8.90 35.31
SINCE JAN 1 15.51 21.87 -6.36 18.16
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 4 -4 0
SINCE SEP 1 0 4 -4 0
SINCE JUL 1 24 59 -35 38
COOLING
TODAY 4 2 2 0
MONTH TO DATE 4 4 0 7
SINCE SEP 1 4 4 0 7
SINCE JAN 1 298 237 61 280
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 54 400 PM
AVERAGE 76
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1988
MINIMUM TEMPERATURE (F) 56 45 1956
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 630 AM PDT SUNSET 747 PM PDT
SEPTEMBER 3 2025.....SUNRISE 631 AM PDT SUNSET 745 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$