TODAY NOV21
TEMPERATURE31
HUMIDITY72
PRESSURE100710
WIND COND.280 25.9
  • 4237Fri20%40%
  • 4732Sat
  • 5240Sun
  • 5732Mon40%70%
  • 4427Tue
daynightWeather update from Wilmington, Airborne Airpark Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Blanchester for July is 73.5 degrees
  • The lowest monthly average temperature in Blanchester for January is 29.6 degrees
  • The most monthly precipitation in Blanchester occurs in June with 4.9 inches
  • The air quality index in Blanchester is 2% worse than the national average
  • The pollution index in Blanchester is 73% better than the national average

Compare Blanchester, OH Weather

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      Blanchester 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°F38°F30°F3.0"
      February22°F40°F31°F2.8"
      March33°F53°F42°F4.5"
      April43°F66°F54°F4.5"
      May52°F75°F63°F4.1"
      June61°F83°F72°F4.9"
      July63°F85°F73°F4.0"
      August61°F84°F72°F3.3"
      September55°F79°F66°F3.3"
      October44°F67°F55°F4.1"
      November33°F55°F43°F3.3"
      December27°F43°F34°F3.9"

      Blanchester 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.
      IndexBlanchesterOhioNational
      Air quality index434042
      Pollution index735,6564,472,3862,726,193

      Blanchester air quality

      MeasurementTotal
      Days measured244
      Days with good air quality203
      Days with moderate air quality41
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.003%
      Mercury0.150%

      Average monthly Blanchester temperature with heat index

      Blanchester monthly precipitation with daily maximum

      Blanchester monthly snow depth with daily maximum

      Blanchester monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pleasant Plain, OH1974314.0%
      Clarksville, OH4554314.0%
      Lake Lorelei, OH1,5484314.0%
      Lebanon, OH20,7814314.0%
      Butlerville, OH2164314.0%
      Blanchester, OH4,4014314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Russell, KS4,4001570.0%
      Hurstbourne, KY4,402492.0%
      Metzger, OR4,4023824.0%
      Mount Orab, OH4,4034314.0%
      Amaranth, ON4,403n/a 
      Blanchester, OH4,4014314.0%
      Source: The Blanchester, 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.