535
CDUS46 KSEW 270845
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
145 AM PDT SUN JUL 27 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 26 2025
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)
YESTERDAY
MAXIMUM 71 502 PM 94 2022 79 -8 78
MINIMUM 53 403 AM 49 1952 58 -5 52
AVERAGE 62 68 -6 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.73 1978 0.01 -0.01 0.00
MONTH TO DATE 0.01 0.51 -0.50 T
SINCE OCT 1 27.77 36.67 -8.90 33.49
SINCE JAN 1 14.37 20.73 -6.36 16.34
SNOWFALL (IN)
YESTERDAY 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 0.0
DEGREE DAYS
HEATING
YESTERDAY 3 1 2 0
MONTH TO DATE 21 32 -11 4
SINCE JUN 1 115 150 -35 136
SINCE JUL 1 21 32 -11 4
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 97 76 21 152
SINCE JUN 1 139 105 34 171
SINCE JAN 1 142 115 27 178
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 46 500 PM
AVERAGE 70
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 1958
1998
MINIMUM TEMPERATURE (F) 58 46 1956
SUNRISE AND SUNSET
JULY 27 2025..........SUNRISE 542 AM PDT SUNSET 849 PM PDT
JULY 28 2025..........SUNRISE 543 AM PDT SUNSET 848 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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