420
CDUS46 KSEW 310117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT MON MAR 30 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 30 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 50 449 PM 72 1995 56 -6 63
MINIMUM 32 543 AM 27 1954 41 -9 40
AVERAGE 41 49 -8 52
PRECIPITATION (IN)
TODAY 0.00 0.65 1963 0.12 -0.12 0.04
MONTH TO DATE 6.71 4.05 2.66 5.11
SINCE OCT 1 30.68 29.53 1.15 23.91
SINCE JAN 1 13.90 13.59 0.31 10.51
SNOWFALL (IN)
TODAY MM T 1982 0.0
1996
2008
MONTH TO DATE 3.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 3.0 2.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 24 16 8 13
MONTH TO DATE 568 541 27 529
SINCE MAR 1 568 541 27 529
SINCE JUL 1 3318 3588 -270 3686
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 5 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 32 100 PM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 75 1987
MINIMUM TEMPERATURE (F) 41 30 1949
SUNRISE AND SUNSET
MARCH 30 2026.........SUNRISE 652 AM PDT SUNSET 736 PM PDT
MARCH 31 2026.........SUNRISE 650 AM PDT SUNSET 738 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