146
CDUS46 KSEW 150827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED APR 15 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 14 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 47 458 PM 83 1984 59 -12 67
MINIMUM 43 1159 PM 33 1955 43 0 43
AVERAGE 45 51 -6 55
PRECIPITATION (IN)
YESTERDAY 1.06 1.70 2018 0.11 0.95 0.00
MONTH TO DATE 1.86 1.64 0.22 1.95
SINCE OCT 1 32.54 31.29 1.25 25.91
SINCE JAN 1 15.76 15.35 0.41 12.51
SNOWFALL (IN)
YESTERDAY 0.0 T 1982 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 20 14 6 10
MONTH TO DATE 188 212 -24 199
SINCE MAR 1 773 769 4 745
SINCE JUL 1 3523 3816 -293 3902
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 14 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 80 1200 AM
AVERAGE 87
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 75 2021
MINIMUM TEMPERATURE (F) 43 33 1967
SUNRISE AND SUNSET
APRIL 15 2026.........SUNRISE 620 AM PDT SUNSET 759 PM PDT
APRIL 16 2026.........SUNRISE 618 AM PDT SUNSET 800 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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