TODAY NOV22
TEMPERATURE54
HUMIDITY77
PRESSURE101800
WIND COND.280 13
  • 413580%30%
  • 4730Sat
  • 5837Sun
  • 6347Mon60%
  • 5635Tue70%
daynightWeather update from Elizabethton Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Johnson City for August is 74.6 degrees
  • The lowest monthly average temperature in Johnson City for January is 36.5 degrees
  • The most monthly precipitation in Johnson City occurs in July with 5 inches
  • The air quality index in Johnson City is 7% worse than the national average
  • The pollution index in Johnson City is 61% better than the national average

Compare Johnson City, TN Weather

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      Johnson City 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
      January27°F48°F37°F4.1"
      February28°F49°F37°F2.4"
      March35°F60°F47°F3.1"
      April43°F70°F56°F4.1"
      May52°F77°F64°F2.9"
      June61°F85°F72°F3.6"
      July64°F86°F74°F5.0"
      August64°F88°F75°F2.9"
      September57°F81°F68°F3.8"
      October45°F70°F56°F2.7"
      November34°F60°F46°F2.7"
      December30°F50°F39°F4.3"

      Johnson City 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.
      IndexJohnson CityTennesseeNational
      Air quality index457642
      Pollution index1,072,4402,454,9162,726,193

      Johnson City air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups21
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.001%

      Average monthly Johnson City temperature with heat index

      Johnson City monthly precipitation with daily maximum

      Johnson City monthly snow depth with daily maximum

      Johnson City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Colonial Heights, TN2,8894510.0%
      Pine Crest, TN2,3184510.0%
      Hunter, TN2,0754510.0%
      Watauga, TN7814510.0%
      Central, TN1,9264510.0%
      Johnson City, TN66,9344510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Victoria, TX66,9743138.0%
      Lehi, UT66,980468.0%
      South San Francisco, CA66,8784020.0%
      Jackson, TN67,0362746.0%
      Rocklin, CA67,070524.0%
      Johnson City, TN66,9344510.0%
      Source: The Johnson City, TN 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.