835
CDUS46 KSEW 130122
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
622 PM PDT FRI SEP 12 2025
...............................
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 72 459 PM 86 2009 74 -2 69
MINIMUM 51 559 AM 32 1949 47 4 52
AVERAGE 62 60 2 61
PRECIPITATION (IN)
TODAY 0.00 0.17 1976 0.06 -0.06 0.01
MONTH TO DATE 0.07 0.66 -0.59 1.06
SINCE OCT 1 39.05 49.24 -10.19 48.10
SINCE JAN 1 18.15 28.11 -9.96 27.74
DEGREE DAYS
HEATING
TODAY 3 5 -2 4
MONTH TO DATE 20 51 -31 18
SINCE SEP 1 20 51 -31 18
SINCE JUL 1 92 191 -99 97
COOLING
TODAY 0 0 0 0
MONTH TO DATE 9 3 6 28
SINCE SEP 1 9 3 6 28
SINCE JAN 1 199 108 91 209
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 53 300 PM
AVERAGE 75
......................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1999
MINIMUM TEMPERATURE (F) 47 27 1970
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 646 AM PDT SUNSET 729 PM PDT
SEPTEMBER 13 2025.....SUNRISE 647 AM PDT SUNSET 727 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page