427
CDUS46 KSEW 200928
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PST SAT DEC 20 2025
...............................
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 42 334 PM 56 2023 44 -2 51
MINIMUM 35 424 AM 11 2008 33 2 39
AVERAGE 39 38 1 45
PRECIPITATION (IN)
YESTERDAY 0.37 2.17 2019 0.24 0.13 0.08
MONTH TO DATE 11.27 4.78 6.49 6.04
SINCE OCT 1 23.05 18.06 4.99 16.70
SINCE JAN 1 42.41 47.55 -5.14 45.29
DEGREE DAYS
HEATING
YESTERDAY 26 27 -1 20
MONTH TO DATE 319 491 -172 454
SINCE DEC 1 319 491 -172 454
SINCE JUL 1 1458 1922 -464 1641
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 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1000 PM
LOWEST 79 1200 AM
AVERAGE 88
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 56 1973
2009
2018
MINIMUM TEMPERATURE (F) 33 4 1990
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 754 AM PST SUNSET 425 PM PST
DECEMBER 21 2025......SUNRISE 755 AM PST SUNSET 425 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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