680
CDUS46 KSEW 190828
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT SAT SEP 19 2026
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..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 348 PM 86 1991 72 -2 74
MINIMUM 43 513 AM 31 1965 46 -3 46
AVERAGE 57 59 -2 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.85 2010 0.07 -0.07 0.00
MONTH TO DATE 0.74 1.05 -0.31 0.07
SINCE OCT 1 50.09 49.63 0.46 39.05
SINCE JAN 1 24.89 28.50 -3.61 18.15
DEGREE DAYS
HEATING
YESTERDAY 8 6 2 5
MONTH TO DATE 100 86 14 32
SINCE SEP 1 100 86 14 32
SINCE JUL 1 189 226 -37 104
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 3 -3 11
SINCE SEP 1 0 3 -3 11
SINCE JAN 1 124 108 16 201
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 57 300 PM
AVERAGE 79
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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 2026.....SUNRISE 655 AM PDT SUNSET 715 PM PDT
SEPTEMBER 20 2026.....SUNRISE 656 AM PDT SUNSET 713 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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