802
CDUS46 KSEW 160116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT TUE APR 15 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 15 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 316 PM 75 2021 59 7 56
MINIMUM 46 516 AM 33 1967 43 3 44
AVERAGE 56 51 5 50
PRECIPITATION (IN)
TODAY 0.00 0.75 1950 0.11 -0.11 0.00
MONTH TO DATE 1.95 1.75 0.20 0.40
SINCE OCT 1 25.91 31.40 -5.49 30.27
SINCE JAN 1 12.51 15.46 -2.95 13.12
SNOWFALL (IN)
TODAY 0.0 T 1968 0.0
1986
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 9 14 -5 15
MONTH TO DATE 208 226 -18 231
SINCE MAR 1 754 783 -29 780
SINCE JUL 1 3911 3830 81 3691
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 500 AM
LOWEST 47 300 PM
AVERAGE 65
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 81 1947
1999
MINIMUM TEMPERATURE (F) 43 34 1960
1972
1976
SUNRISE AND SUNSET
APRIL 15 2025.........SUNRISE 620 AM PDT SUNSET 759 PM PDT
APRIL 16 2025.........SUNRISE 618 AM PDT SUNSET 801 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page