280
CDUS46 KSEW 220827
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON SEP 22 2025
...............................
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 71 309 PM 91 1974 71 0 73
MINIMUM 50 1024 PM 32 1955 45 5 43
1971
1993
AVERAGE 61 58 3 58
PRECIPITATION (IN)
YESTERDAY 0.60 1.51 1972 0.07 0.53 0.00
MONTH TO DATE 0.67 1.27 -0.60 1.40
SINCE OCT 1 39.65 49.85 -10.20 48.44
SINCE JAN 1 18.75 28.72 -9.97 28.08
DEGREE DAYS
HEATING
YESTERDAY 4 7 -3 7
MONTH TO DATE 50 107 -57 75
SINCE SEP 1 50 107 -57 75
SINCE JUL 1 122 247 -125 154
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 3 8 28
SINCE SEP 1 11 3 8 28
SINCE JAN 1 201 108 93 209
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 47 200 PM
AVERAGE 72
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1990
MINIMUM TEMPERATURE (F) 45 31 1961
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 659 AM PDT SUNSET 708 PM PDT
SEPTEMBER 23 2025.....SUNRISE 700 AM PDT SUNSET 706 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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