TODAY APR18
TEMPERATURE31
HUMIDITY96
PRESSURE103080
WIND COND.
  • 6439Thu
  • 7042Fri
  • 6543Sat40%70%
  • 5840Sun
  • 6242Mon
daynightWeather update from Tacoma / McChord Air Force Base at
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Weather Quick Facts

  • The highest monthly average temperature in South Tacoma for July is 64.6 degrees
  • The lowest monthly average temperature in South Tacoma for January is 40.7 degrees
  • The most monthly precipitation in South Tacoma occurs in December with 9 inches
  • The air quality index in South Tacoma is 29% better than the national average
  • The pollution index in South Tacoma is 549% worse than the national average

Compare Tacoma, WA Weather

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      South Tacoma 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
      January36°F46°F41°F6.8"
      February36°F50°F43°F2.9"
      March41°F56°F48°F6.1"
      April43°F58°F49°F3.5"
      May48°F66°F56°F3.5"
      June51°F69°F58°F1.9"
      July55°F77°F65°F3.2"
      August55°F77°F64°F0.9"
      September51°F69°F58°F3.3"
      October47°F59°F52°F3.5"
      November40°F49°F44°F6.5"
      December37°F45°F41°F9.0"

      South Tacoma 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 TacomaTacomaWashington
      Air quality index301836
      Pollution index17,693,80017,693,8004,541,850

      South Tacoma air quality information

      MeasurementTotal
      Days measured340
      Days with good air quality338
      Days with moderate air quality2
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      South Tacoma air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.300%
      Carbon Tetrachloride0.050%
      Lead0.110%
      Mercury0.020%

      Average monthly South Tacoma temperature with heat index

      South Tacoma monthly precipitation with daily maximum

      South Tacoma monthly snow depth with daily maximum

      South Tacoma monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Key Center, WA3,6311864.0%
      Raft Island, WA4161864.0%
      Canterwood, WA3,0701864.0%
      Maplewood, WA5,1351864.0%
      Vaughn, WA1,0521864.0%
      Tacoma, WA215,7661864.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Des Moines, IA215,4083922.0%
      Richmond Hill, ON215,407n/a 
      San Bernardino, CA216,7848978.0%
      Enterprise, NV214,591548.0%
      Modesto, CA214,485492.0%
      Tacoma, WA215,7661864.0%
      Source: The South Tacoma, Tacoma, 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.