351
CDUS46 KSEW 220119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT SAT JUN 21 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 21 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 58 459 PM 89 1992 72 -14 86
2021
MINIMUM 50 630 AM 43 1947 54 -4 58
AVERAGE 54 63 -9 72
PRECIPITATION (IN)
TODAY 0.32 1.00 1967 0.04 0.28 0.00
MONTH TO DATE 0.32 1.10 -0.78 1.16
SINCE OCT 1 27.66 35.81 -8.15 33.46
SINCE JAN 1 14.26 19.87 -5.61 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 11 3 8 0
MONTH TO DATE 81 93 -12 116
SINCE JUN 1 81 93 -12 116
SINCE JUL 1 4408 4351 57 4288
COOLING
TODAY 0 1 -1 7
MONTH TO DATE 28 21 7 13
SINCE JUN 1 28 21 7 13
SINCE JAN 1 31 31 0 20
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WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 PM
LOWEST 74 1200 AM
AVERAGE 86
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1992
MINIMUM TEMPERATURE (F) 54 45 1952
SUNRISE AND SUNSET
JUNE 21 2025..........SUNRISE 512 AM PDT SUNSET 910 PM PDT
JUNE 22 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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