TODAY OCT09
TEMPERATURE66
HUMIDITY
PRESSURE101630
WIND COND. 11.2
  • 6037Thu
  • 6949Fri
  • 7052Sat
  • 6846Sun50%50%
  • 563830%40%
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Knoxville for July is 73.5 degrees
  • The lowest monthly average temperature in Knoxville for January is 29.7 degrees
  • The most monthly precipitation in Knoxville occurs in July with 5.1 inches
  • The air quality index in Knoxville is 33% worse than the national average
  • The pollution index in Knoxville is 67% better than the national average

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      Knoxville 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
      January22°F38°F30°F3.2"
      February23°F39°F30°F2.2"
      March32°F52°F41°F3.4"
      April43°F65°F53°F3.4"
      May52°F74°F62°F4.2"
      June60°F81°F70°F5.1"
      July64°F84°F73°F5.1"
      August63°F82°F72°F4.1"
      September56°F77°F66°F3.1"
      October46°F65°F54°F3.8"
      November35°F54°F44°F2.8"
      December28°F43°F35°F3.7"

      Knoxville 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.
      IndexKnoxvillePittsburghPennsylvania
      Air quality index565645
      Pollution index889,808960,2134,584,805

      Knoxville air quality

      MeasurementTotal
      Days measured365
      Days with good air quality129
      Days with moderate air quality220
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.001%
      Mercury0.000%

      Average monthly Knoxville temperature with heat index

      Knoxville monthly precipitation with daily maximum

      Knoxville monthly snow depth with daily maximum

      Knoxville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aliquippa, PA8,918688.0%
      Westland, PA45468.0%
      Avalon, PA4,5585612.0%
      Blawnox, PA1,5805612.0%
      Emsworth, PA2,5145612.0%
      Pittsburgh, PA301,2865612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cincinnati, OH302,687548.0%
      St. Louis, MO304,709548.0%
      St. Paul, MN305,877468.0%
      Greensboro, NC294,3954314.0%
      Gatineau, QC293,695n/a 
      Pittsburgh, PA301,2865612.0%
      Source: The Knoxville, Pittsburgh, PA 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.