TODAY AUG14
TEMPERATURE75
HUMIDITY33
PRESSURE30.13
WIND COND.10 9.4
  • 7955Fri
  • 8759Sat
  • 9359Sun
  • 8356Mon
  • 8356Tue
daynightWeather update from Olympia, Olympia Airport at

Key findings

  • The highest monthly average temperature in Olympia for July is 64 degrees
  • The lowest monthly average temperature in Olympia for December is 38 degrees
  • The most monthly precipitation in Olympia occurs in November with 9.7 inches
  • The air quality index in Olympia is 40% better than the national average
  • The pollution index in Olympia is 32% worse than the national average

Compare Olympia, WA Weather

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      Olympia Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January32°F47°F39°F7.3"
      February32°F51°F41°F4.8"
      March35°F55°F44°F7.0"
      April36°F61°F48°F3.5"
      May42°F68°F55°F2.7"
      June47°F73°F59°F1.5"
      July50°F80°F64°F0.6"
      August50°F81°F64°F1.0"
      September46°F74°F59°F2.5"
      October41°F62°F51°F5.5"
      November35°F52°F44°F9.7"
      December31°F46°F38°F8.0"

      Olympia air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexOlympiaWashingtonNational
      Air quality index303650
      Pollution index6,704,3308,596,9895,066,862

      Olympia air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality323
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Olympia air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.100%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.003%

      Average monthly Olympia temperature with heat index

      Olympia monthly precipitation with daily maximum

      Olympia monthly snow depth with daily maximum

      Olympia monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Rochester, WA2,9122060%
      Tenino, WA1,7442060%
      Shelton, WA9,8322158%
      Ketron Island, WA03040%
      North Fort Lewis, WA3,9243040%
      Olympia, WA49,6083040%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wilson, NC49,5583628%
      Downers Grove, IL49,5555510%
      Poway, CA49,6756428%
      Logan, UT49,5394412%
      Ashburn, VA49,692476%
      Olympia, WA49,6083040%
      Source: The Olympia, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.