Climatological Report (Daily)
Issued by NWS
Issued by NWS
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578
CDUS46 KSEW 310116
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT SAT AUG 30 2025
...................................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 71 459 PM 92 2022 76 -5 87
MINIMUM 48 333 AM 36 1977 49 -1 47
AVERAGE 60 63 -3 67
PRECIPITATION (IN)
TODAY 0.00 0.82 1990 0.04 -0.04 0.00
MONTH TO DATE 1.11 0.91 0.20 1.38
SINCE OCT 1 38.98 48.53 -9.55 47.04
SINCE JAN 1 18.08 27.40 -9.32 26.68
DEGREE DAYS
HEATING
TODAY 5 3 2 0
MONTH TO DATE 25 66 -41 55
SINCE JUN 1 237 328 -91 260
SINCE JUL 1 72 139 -67 79
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 91 47 44 51
SINCE JUN 1 187 106 81 173
SINCE JAN 1 187 108 79 176
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION NE (40)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 2.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 66 300 PM
AVERAGE 83
..........................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 94 1987
MINIMUM TEMPERATURE (F) 49 38 1964
1973
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 629 AM PDT SUNSET 754 PM PDT
AUGUST 31 2025........SUNRISE 630 AM PDT SUNSET 752 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$