TODAY APR24
TEMPERATURE52
HUMIDITY100
PRESSURE101320
WIND COND.280 11.2
  • 5030Wed
  • 5938Thu
  • 6958Fri50%
  • 7764Sat60%
  • 8164Sun30%
daynightWeather update from Bellefontaine Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lewistown for August is 73.7 degrees
  • The lowest monthly average temperature in Lewistown for February is 24.7 degrees
  • The most monthly precipitation in Lewistown occurs in January with 11.1 inches
  • The air quality index in Lewistown is 7% better than the national average
  • The pollution index in Lewistown is 72% better than the national average

Compare Lewistown, OH Weather

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      Lewistown 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
      January22°F37°F29°F11.1"
      February17°F32°F25°F2.6"
      March31°F50°F39°F6.7"
      April39°F62°F50°F7.1"
      May48°F74°F61°F1.6"
      June61°F85°F73°F5.4"
      July61°F84°F73°F5.5"
      August63°F86°F74°F10.2"
      September56°F79°F67°F5.9"
      October47°F67°F57°F3.2"
      November33°F52°F43°F5.1"
      December22°F36°F29°F3.3"

      Lewistown 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.
      IndexLewistownOhioNational
      Air quality index394042
      Pollution index750,1784,472,3862,726,193

      Lewistown air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Lewistown air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.002%
      Mercury0.000%

      Average monthly Lewistown temperature with heat index

      Lewistown monthly precipitation with daily maximum

      Lewistown monthly snow depth with daily maximum

      Lewistown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Chippewa Park, OH5983922.0%
      Port Jefferson, OH4343922.0%
      Waynesfield, OH6683922.0%
      Huntsville, OH4923922.0%
      Rushsylvania, OH4283922.0%
      Lewistown, OH2653922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Letona, AR2654510.0%
      Lonsdale, AR2653824.0%
      Trinity Center, CA2654216.0%
      Garden Prairie, IL2654216.0%
      Arjay, KY2653922.0%
      Lewistown, OH2653922.0%
      Source: The Lewistown, OH 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.