Climatological Report (Daily)
Issued by NWS
Issued by NWS
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659
CDUS46 KSEW 210128
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
628 PM PDT WED AUG 20 2025
...................................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 78 352 PM 96 2016 78 0 66
MINIMUM 56 335 AM 39 1952 50 6 54
AVERAGE 67 64 3 60
PRECIPITATION (IN)
TODAY 0.00 0.68 2008 0.04 -0.04 0.20
MONTH TO DATE 1.05 0.50 0.55 0.90
SINCE OCT 1 38.92 48.12 -9.20 46.56
SINCE JAN 1 18.02 26.99 -8.97 26.20
DEGREE DAYS
HEATING
TODAY 0 2 -2 5
MONTH TO DATE 15 40 -25 18
SINCE JUN 1 227 302 -75 223
SINCE JUL 1 62 113 -51 42
COOLING
TODAY 2 1 1 0
MONTH TO DATE 47 37 10 49
SINCE JUN 1 143 96 47 171
SINCE JAN 1 143 98 45 174
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 2.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 300 AM
LOWEST 40 200 PM
AVERAGE 68
..........................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1958
MINIMUM TEMPERATURE (F) 50 38 1973
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 616 AM PDT SUNSET 813 PM PDT
AUGUST 21 2025........SUNRISE 617 AM PDT SUNSET 811 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$