TODAY NOV07
TEMPERATURE66
HUMIDITY100
PRESSURE102235.08
WIND COND.350 11.1
  • 7249Fri
  • 7257Sat20%70%
  • 6951Sun80%60%
  • 6844
  • 6844Tue
daynightWeather update from Sumner County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Castalian Springs for July is 79.9 degrees
  • The lowest monthly average temperature in Castalian Springs for January is 39.3 degrees
  • The most monthly precipitation in Castalian Springs occurs in April with 5.6 inches
  • The air quality index in Castalian Springs is 7% worse than the national average
  • The pollution index in Castalian Springs is 182% worse than the national average

Compare Castalian Springs, TN Weather

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      Castalian Springs 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
      January29°F52°F39°F4.2"
      February31°F54°F42°F3.4"
      March39°F65°F52°F4.1"
      April49°F75°F62°F5.6"
      May56°F82°F69°F5.1"
      June66°F90°F78°F3.9"
      July69°F92°F80°F5.0"
      August69°F92°F79°F4.5"
      September61°F86°F73°F4.0"
      October49°F75°F61°F4.0"
      November38°F64°F50°F3.8"
      December33°F54°F43°F5.1"

      Castalian Springs 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.
      IndexCastalian SpringsTennesseeNational
      Air quality index457642
      Pollution index7,691,5102,454,9162,726,193

      Castalian Springs air quality

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality135
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.180%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.040%
      Mercury0.440%

      Average monthly Castalian Springs temperature with heat index

      Castalian Springs monthly precipitation with daily maximum

      Castalian Springs monthly snow depth with daily maximum

      Castalian Springs monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Westmoreland, TN2,6224314.0%
      Bransford, TN2694314.0%
      Portland, TN12,9284314.0%
      Bethpage, TN4814510.0%
      Graball, TN1054510.0%
      Castalian Springs, TN3974510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sulphur Springs city, AR3974510.0%
      Chloride, AZ3971374.0%
      Wellton Hills, AZ3974510.0%
      Melvin, IL3974216.0%
      Fairhaven, MN3973236.0%
      Castalian Springs, TN3974510.0%
      Source: The Castalian Springs, 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.