TODAY JUN21
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7860Tue70%
  • 8265Wed
  • 8567Thu20%20%
  • 8471Fri20%
  • 8571Sat40%40%
daynightWeather update from Chattanooga, Lovell Field at

Key findings

  • The highest monthly average temperature in Harrison for August is 79.7 degrees
  • The lowest monthly average temperature in Harrison for January is 41.2 degrees
  • The most monthly precipitation in Harrison occurs in December with 6.5 inches
  • The air quality index in Harrison is 8% better than the national average
  • The pollution index in Harrison is 95% better than the national average

Compare Harrison, TN Weather

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      Harrison 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
      January31°F54°F41°F5.0"
      February32°F57°F44°F3.9"
      March41°F67°F53°F4.8"
      April49°F77°F62°F6.0"
      May57°F83°F69°F3.7"
      June66°F91°F78°F3.4"
      July70°F92°F80°F5.5"
      August70°F92°F80°F4.2"
      September63°F87°F73°F4.5"
      October50°F76°F62°F4.3"
      November38°F65°F51°F4.5"
      December35°F56°F45°F6.5"

      Harrison 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.
      IndexHarrisonTennesseeNational
      Air quality index467650
      Pollution index271,3563,610,4745,066,862

      Harrison air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality230
      Days with moderate air quality135
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Harrison air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Harrison temperature with heat index

      Harrison monthly precipitation with daily maximum

      Harrison monthly snow depth with daily maximum

      Harrison monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      South Cleveland, TN7,414198%
      Hopewell, TN1,777198%
      Cohutta, GA6904314%
      Indian Springs, GA3,104468%
      Rossville, GA4,020468%
      Harrison, TN7,564468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Haiku-Pauwela, HI7,5641570%
      Bloomfield, NM7,565492%
      Bryans Road, MD7,563476%
      Northgate, OH7,563548%
      Richfield, UT7,566468%
      Harrison, TN7,564468%
      Source: The Harrison, 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.