TODAY DEC23
TEMPERATURE52
HUMIDITY86
PRESSURE101080
WIND COND.
  • 5245Mon100%
  • 5041Tue90%60%
  • 474390%100%
  • 4944Thu
  • 5044Fri
daynightWeather update from Olympia, Olympia Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Capitol for July is 64.3 degrees
  • The lowest monthly average temperature in South Capitol for December is 38.2 degrees
  • The most monthly precipitation in South Capitol occurs in November with 9.7 inches
  • The air quality index in South Capitol is 29% better than the national average
  • The pollution index in South Capitol is 146% worse than the national average

Compare Olympia, WA Weather

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      South Capitol 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"

      South Capitol 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.
      IndexSouth CapitolOlympiaWashington
      Air quality index303036
      Pollution index6,704,3306,704,3304,541,850

      South Capitol air quality

      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

      Air quality details

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

      Average monthly South Capitol temperature with heat index

      South Capitol monthly precipitation with daily maximum

      South Capitol monthly snow depth with daily maximum

      South Capitol monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tenino, WA1,7442060.0%
      Rochester, WA4,8542060.0%
      Shelton, WA10,4672158.0%
      Longbranch, WA4,5683040.0%
      Ketron Island, WA03040.0%
      Olympia, WA52,2903040.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Stratford, CT52,3004314.0%
      Edina, MN52,215468.0%
      Mascouche, QC52,212n/a 
      Watsonville, CA52,3983530.0%
      Queen Creek, AZ52,1627448.0%
      Olympia, WA52,2903040.0%
      Source: The South Capitol, 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.