539
CDUS46 KSEW 130135
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
635 PM PDT THU MAR 12 2026
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 12 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 47 1233 AM 73 2018 54 -7 51
MINIMUM 39 459 PM 25 1954 40 -1 41
1956
AVERAGE 43 47 -4 46
PRECIPITATION (IN)
TODAY 0.06 0.99 2003 0.14 -0.08 0.38
MONTH TO DATE 2.41 1.67 0.74 1.06
SINCE OCT 1 26.38 27.15 -0.77 19.86
SINCE JAN 1 9.60 11.21 -1.61 6.46
SNOWFALL (IN)
TODAY 0.0 0.3 1955 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 T 2.3
SINCE JUL 1 T 2.3
SNOW DEPTH 0.0
DEGREE DAYS
HEATING
TODAY 22 18 4 19
MONTH TO DATE 221 231 -10 227
SINCE MAR 1 221 231 -10 227
SINCE JUL 1 2971 3278 -307 3384
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 17 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 16.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 300 PM
LOWEST 65 1100 AM
AVERAGE 77
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 70 1979
MINIMUM TEMPERATURE (F) 40 28 1954
1967
SUNRISE AND SUNSET
MARCH 12 2026.........SUNRISE 728 AM PDT SUNSET 711 PM PDT
MARCH 13 2026.........SUNRISE 726 AM PDT SUNSET 712 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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