141
CDUS46 KSEW 280828
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT SUN SEP 28 2025
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..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 430 PM 93 1967 68 11 71
MINIMUM 50 629 AM 25 1972 44 6 47
AVERAGE 65 56 9 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1953 0.09 -0.09 0.04
MONTH TO DATE 0.67 1.75 -1.08 1.91
SINCE OCT 1 39.65 50.33 -10.68 48.95
SINCE JAN 1 18.75 29.20 -10.45 28.59
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 6
MONTH TO DATE 83 156 -73 102
SINCE SEP 1 83 156 -73 102
SINCE JUL 1 155 296 -141 181
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 3 8 33
SINCE SEP 1 11 3 8 33
SINCE JAN 1 201 108 93 214
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.0
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 43 300 PM
AVERAGE 70
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 2017
MINIMUM TEMPERATURE (F) 44 30 1999
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 707 AM PDT SUNSET 656 PM PDT
SEPTEMBER 29 2025.....SUNRISE 708 AM PDT SUNSET 654 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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