229
CDUS46 KSEW 190827
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT FRI SEP 19 2025
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..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 419 PM 86 1991 72 2 71
MINIMUM 46 1146 PM 31 1965 46 0 56
AVERAGE 60 59 1 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.85 2010 0.07 -0.07 0.00
MONTH TO DATE 0.07 1.05 -0.98 1.40
SINCE OCT 1 39.05 49.63 -10.58 48.44
SINCE JAN 1 18.15 28.50 -10.35 28.08
DEGREE DAYS
HEATING
YESTERDAY 5 6 -1 1
MONTH TO DATE 32 86 -54 57
SINCE SEP 1 32 86 -54 57
SINCE JUL 1 104 226 -122 136
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 4 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 40 300 PM
AVERAGE 70
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 86 1999
MINIMUM TEMPERATURE (F) 46 30 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 655 AM PDT SUNSET 714 PM PDT
SEPTEMBER 20 2025.....SUNRISE 656 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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