Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 300839
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
139 AM PDT TUE SEP 30 2025
...................................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 63 126 PM 89 1993 67 -4 67
MINIMUM 54 946 PM 30 1961 44 10 37
1985
AVERAGE 59 56 3 52
PRECIPITATION (IN)
YESTERDAY 0.52 1.14 2005 0.09 0.43 0.00
MONTH TO DATE 1.19 1.94 -0.75 1.91
SINCE OCT 1 40.17 50.52 -10.35 48.95
SINCE JAN 1 19.27 29.39 -10.12 28.59
DEGREE DAYS
HEATING
YESTERDAY 6 10 -4 13
MONTH TO DATE 94 175 -81 127
SINCE SEP 1 94 175 -81 127
SINCE JUL 1 166 315 -149 206
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 3 8 33
SINCE SEP 1 11 3 8 33
SINCE JAN 1 201 108 93 214
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 AM
LOWEST 78 100 AM
AVERAGE 88
..........................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 83 1987
1992
MINIMUM TEMPERATURE (F) 44 29 1950
2019
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 710 AM PDT SUNSET 652 PM PDT
OCTOBER 1 2025.......SUNRISE 711 AM PDT SUNSET 650 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$