TODAY APR19
TEMPERATURE56
HUMIDITY72
PRESSURE102000
WIND COND.340 16.6
  • 6139Sat
  • 5937Sun
  • 6543Mon
  • 7050Tue60%
  • 6541Wed40%
daynightWeather update from Louisville, Bowman Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Northfield for July is 78.5 degrees
  • The lowest monthly average temperature in Northfield for January is 35.3 degrees
  • The most monthly precipitation in Northfield occurs in April with 6.3 inches
  • The air quality index in Northfield is 16% worse than the national average
  • The pollution index in Northfield is 273% worse than the national average

Compare Northfield, KY Weather

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      Northfield 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°F45°F35°F3.7"
      February29°F47°F37°F2.9"
      March39°F60°F48°F4.5"
      April48°F71°F59°F6.3"
      May57°F79°F68°F5.7"
      June66°F87°F77°F5.3"
      July69°F89°F79°F5.6"
      August68°F89°F78°F3.7"
      September61°F83°F71°F4.6"
      October48°F71°F59°F4.4"
      November38°F59°F48°F3.5"
      December31°F48°F39°F4.8"

      Northfield 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.
      IndexNorthfieldKentuckyNational
      Air quality index494542
      Pollution index10,162,7001,369,1312,726,193

      Northfield air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality195
      Days with moderate air quality166
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Northfield air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.050%
      Mercury0.140%

      Average monthly Northfield temperature with heat index

      Northfield monthly precipitation with daily maximum

      Northfield monthly snow depth with daily maximum

      Northfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Memphis, IN866492.0%
      Bellewood, KY218492.0%
      Hurstbourne, KY4,402492.0%
      Lincolnshire, KY128492.0%
      Norwood, KY413492.0%
      Northfield, KY1,266492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Quinebaug, CT1,2664020.0%
      Grace, ID1,2662746.0%
      Bon Aqua Junction, TN1,2663138.0%
      Swan Hills, AB1,266n/a 
      Cedar Ridge, CA1,2673922.0%
      Northfield, KY1,266492.0%
      Source: The Northfield, KY 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.