Climatological Report (Daily)
Issued by NWS
Issued by NWS
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089
CDUS46 KSEW 060118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT SAT SEP 05 2026
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 448 PM 90 2024 75 -5 77
MINIMUM 52 417 AM 42 1947 55 -3 58
AVERAGE 61 65 -4 68
PRECIPITATION (IN)
TODAY 0.00 1.09 2013 0.04 -0.04 0.00
MONTH TO DATE 0.36 0.21 0.15 0.00
SINCE OCT 1 37.27 37.94 -0.67 28.91
SINCE JAN 1 20.49 22.00 -1.51 15.51
SNOWFALL (IN)
TODAY 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
TODAY 4 2 2 0
MONTH TO DATE 16 10 6 0
SINCE SEP 1 16 10 6 0
SINCE JUL 1 41 65 -24 24
COOLING
TODAY 0 2 -2 3
MONTH TO DATE 0 10 -10 18
SINCE SEP 1 0 10 -10 18
SINCE JAN 1 265 243 22 312
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 2.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 200 AM
LOWEST 61 200 PM
AVERAGE 75
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 2014
MINIMUM TEMPERATURE (F) 55 44 1947
SUNRISE AND SUNSET
SEPTEMBER 5 2026.....SUNRISE 634 AM PDT SUNSET 741 PM PDT
SEPTEMBER 6 2026.....SUNRISE 635 AM PDT SUNSET 739 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$