Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 200826
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN SEP 20 2026
...................................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 68 514 PM 86 1999 71 -3 77
MINIMUM 41 456 AM 30 1983 46 -5 40
AVERAGE 55 58 -3 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.05 1959 0.07 -0.07 0.00
MONTH TO DATE 0.74 1.12 -0.38 0.07
SINCE OCT 1 50.09 49.70 0.39 39.05
SINCE JAN 1 24.89 28.57 -3.68 18.15
DEGREE DAYS
HEATING
YESTERDAY 10 7 3 6
MONTH TO DATE 110 93 17 38
SINCE SEP 1 110 93 17 38
SINCE JUL 1 199 233 -34 110
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
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 0.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 61 400 PM
AVERAGE 81
..........................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1974
MINIMUM TEMPERATURE (F) 46 32 1983
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 656 AM PDT SUNSET 713 PM PDT
SEPTEMBER 21 2026.....SUNRISE 657 AM PDT SUNSET 711 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$