TODAY JUN23
TEMPERATURE69
HUMIDITY90
PRESSURE29.85
WIND COND.
  • 8367Sat20%50%
  • 8667Sun60%60%
  • 8565Mon30%30%
  • 8766Tue20%
  • 8666Wed50%50%
daynightWeather update from Bristol / Johnson / Kingsport, Tri-City Regional Airport at

Johnson City Average Weather

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
Januaryn/a°Fn/a°F0°Fn/a
Februaryn/a°Fn/a°F0°Fn/a
March34°F61°F48°Fn/a
April28°F88°F54°Fn/a
May36°F81°F63°Fn/a
June50°F88°F70°Fn/a
July52°F88°F69°Fn/a
August57°F88°F71°Fn/a
September45°F88°F66°Fn/a
October27°F84°F54°Fn/a
November25°F73°F46°Fn/a
December14°F61°F36°Fn/a

Did you know?

  • The highest monthly average temperature in Johnson City for August is 71 degrees.
  • The lowest monthly average temperature in Johnson City for January is 0 degrees.
  • The most monthly precipitation in Johnson City occurs in January with 0 inches.
  • The air quality index in Johnson City is 9% better than the national average.
  • The pollution index in Johnson City is 78% better than the national average.

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Compare Johnson City, TN Weather To Other Cities

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 index457650
Pollution index1,072,4403,610,4745,066,862

Johnson City air quality information

MeasurementTotal
Days measured365
Days with good air quality201
Days with moderate air quality82
Days w/ poor A.Q. for sensitive groups70
Days with unhealthy air quality12

Johnson City air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Bluff City, TN1,6824510%
Erwin, TN5,9984510%
Jonesborough, TN5,2344510%
Spurgeon, TN4,2444510%
Central, TN2,1964510%
Johnson City, TN65,4154510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Schenectady, NY65,5543628%
Harlingen, TX65,6344118%
Rockville, MD65,171492%
Youngstown, OH65,1614510%
Homestead, FL65,6884118%
Johnson City, TN65,4154510%
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.