800
CDUS46 KSEW 210927
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST SUN DEC 21 2025
...............................
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 1227 PM 56 1973 44 1 54
2009
2018
MINIMUM 39 531 AM 4 1990 33 6 37
AVERAGE 42 38 4 46
PRECIPITATION (IN)
YESTERDAY 0.84 2.87 2019 0.25 0.59 0.01
MONTH TO DATE 12.11 5.03 7.08 6.05
SINCE OCT 1 23.89 18.31 5.58 16.71
SINCE JAN 1 43.25 47.80 -4.55 45.30
DEGREE DAYS
HEATING
YESTERDAY 23 27 -4 19
MONTH TO DATE 342 518 -176 473
SINCE DEC 1 342 518 -176 473
SINCE JUL 1 1481 1949 -468 1660
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 201 113 88 214
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 PM
LOWEST 89 900 AM
AVERAGE 93
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 57 1980
MINIMUM TEMPERATURE (F) 33 0 1990
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 755 AM PST SUNSET 425 PM PST
DECEMBER 22 2025......SUNRISE 755 AM PST SUNSET 426 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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