750
CDUS46 KSEW 210120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT FRI JUN 20 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 20 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 63 452 PM 88 2004 72 -9 84
2018
MINIMUM 51 513 AM 43 1960 54 -3 56
AVERAGE 57 63 -6 70
PRECIPITATION (IN)
TODAY T 1.14 1984 0.05 -0.05 0.00
MONTH TO DATE T 1.06 -1.06 1.16
SINCE OCT 1 27.34 35.77 -8.43 33.46
SINCE JAN 1 13.94 19.83 -5.89 16.31
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 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 8 3 5 0
MONTH TO DATE 70 90 -20 116
SINCE JUN 1 70 90 -20 116
SINCE JUL 1 4397 4348 49 4288
COOLING
TODAY 0 1 -1 5
MONTH TO DATE 28 20 8 6
SINCE JUN 1 28 20 8 6
SINCE JAN 1 31 30 1 13
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 600 AM
LOWEST 56 200 PM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 89 1992
2021
MINIMUM TEMPERATURE (F) 54 43 1947
SUNRISE AND SUNSET
JUNE 20 2025..........SUNRISE 512 AM PDT SUNSET 910 PM PDT
JUNE 21 2025..........SUNRISE 512 AM PDT SUNSET 910 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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