744
CDUS46 KSEW 190830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT SUN JUL 19 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 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 75 419 PM 93 1995 78 -3 70
MINIMUM 56 543 AM 47 1952 57 -1 56
AVERAGE 66 68 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2007 0.02 -0.02 0.00
MONTH TO DATE 0.36 0.39 -0.03 T
SINCE OCT 1 36.29 36.55 -0.26 27.76
SINCE JAN 1 19.51 20.61 -1.10 14.36
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 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 2
MONTH TO DATE 20 24 -4 7
SINCE JUN 1 115 142 -27 101
SINCE JUL 1 20 24 -4 7
COOLING
YESTERDAY 1 3 -2 0
MONTH TO DATE 27 44 -17 87
SINCE JUN 1 98 73 25 129
SINCE JAN 1 108 83 25 132
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 43 400 PM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1988
2015
MINIMUM TEMPERATURE (F) 57 48 1962
SUNRISE AND SUNSET
JULY 19 2026..........SUNRISE 532 AM PDT SUNSET 858 PM PDT
JULY 20 2026..........SUNRISE 533 AM PDT SUNSET 857 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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