Climatological Report (Daily)
Issued by NWS
Issued by NWS
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810
CDUS46 KSEW 310826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU JUL 31 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 30 2025...
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)
YESTERDAY
MAXIMUM 85 335 PM 96 2009 79 6 76
MINIMUM 58 446 AM 48 1951 58 0 61
AVERAGE 72 68 4 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 1955 0.02 -0.02 0.03
MONTH TO DATE 0.01 0.58 -0.57 0.16
SINCE OCT 1 27.77 36.74 -8.97 33.65
SINCE JAN 1 14.37 20.80 -6.43 16.50
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 21 36 -15 7
SINCE JUN 1 115 154 -39 139
SINCE JUL 1 21 36 -15 7
COOLING
YESTERDAY 7 4 3 4
MONTH TO DATE 114 92 22 159
SINCE JUN 1 156 121 35 178
SINCE JAN 1 159 131 28 185
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 500 AM
LOWEST 28 600 PM
AVERAGE 52
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2022
MINIMUM TEMPERATURE (F) 58 47 1954
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 547 AM PDT SUNSET 844 PM PDT
AUGUST 1 2025........SUNRISE 548 AM PDT SUNSET 842 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$