617
CDUS46 KSEW 230826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU APR 23 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 22 2026
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)
YESTERDAY
MAXIMUM 52 555 PM 78 1977 61 -9 60
2005
MINIMUM 48 1159 PM 35 1950 44 4 40
1964
1972
AVERAGE 50 52 -2 50
PRECIPITATION (IN)
YESTERDAY 0.46 1.28 1996 0.10 0.36 0.00
MONTH TO DATE 2.73 2.48 0.25 2.36
SINCE OCT 1 33.41 32.13 1.28 26.32
SINCE JAN 1 16.63 16.19 0.44 12.92
SNOWFALL (IN)
YESTERDAY 0.0 T 1978 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 3.0 2.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 15
MONTH TO DATE 287 319 -32 294
SINCE MAR 1 872 876 -4 840
SINCE JUL 1 3622 3923 -301 3997
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 68 1000 PM
AVERAGE 84
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 72 1977
MINIMUM TEMPERATURE (F) 44 31 1954
SUNRISE AND SUNSET
APRIL 23 2026.........SUNRISE 606 AM PDT SUNSET 810 PM PDT
APRIL 24 2026.........SUNRISE 604 AM PDT SUNSET 812 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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