825
CDUS46 KSEW 190826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN APR 19 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 68 433 PM 89 2016 60 8 71
MINIMUM 42 547 AM 34 1950 44 -2 43
1961
1964
AVERAGE 55 52 3 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 2017 0.10 -0.10 0.00
MONTH TO DATE 2.22 2.07 0.15 1.95
SINCE OCT 1 32.90 31.72 1.18 25.91
SINCE JAN 1 16.12 15.78 0.34 12.51
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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 10 13 -3 8
MONTH TO DATE 255 267 -12 239
SINCE MAR 1 840 824 16 785
SINCE JUL 1 3590 3871 -281 3942
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 2 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 500 AM
LOWEST 26 200 PM
AVERAGE 58
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 84 2016
MINIMUM TEMPERATURE (F) 44 33 1961
SUNRISE AND SUNSET
APRIL 19 2026.........SUNRISE 613 AM PDT SUNSET 805 PM PDT
APRIL 20 2026.........SUNRISE 611 AM PDT SUNSET 806 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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