Climatological Report (Daily)
Issued by NWS
Issued by NWS
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031
CDUS46 KSEW 290116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT THU AUG 28 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 82 431 PM 95 1967 76 6 70
MINIMUM 60 634 AM 46 1952 56 4 50
AVERAGE 71 66 5 60
PRECIPITATION (IN)
TODAY 0.00 0.47 1975 0.04 -0.04 0.00
MONTH TO DATE 1.14 0.85 0.29 1.66
SINCE OCT 1 28.91 37.61 -8.70 35.31
SINCE JAN 1 15.51 21.67 -6.16 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 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 5
MONTH TO DATE 2 21 -19 31
SINCE JUN 1 117 170 -53 170
SINCE JUL 1 23 52 -29 38
COOLING
TODAY 6 2 4 0
MONTH TO DATE 128 92 36 69
SINCE JUN 1 289 217 72 252
SINCE JAN 1 292 227 65 259
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 51 300 PM
AVERAGE 71
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1974
MINIMUM TEMPERATURE (F) 56 44 1951
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 623 AM PDT SUNSET 756 PM PDT
AUGUST 29 2025........SUNRISE 625 AM PDT SUNSET 754 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$