TODAY DEC22
TEMPERATURE18
HUMIDITY80
PRESSURE
WIND COND.
  • 3325Sun
  • 4132Mon40%
  • 4032Tue20%20%
  • 453830%30%
  • 4941Thu20%20%
daynightWeather update from Muncie, Delaware County-Johnson Field at
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Weather Quick Facts

  • The highest monthly average temperature in Winchester for August is 74.4 degrees
  • The lowest monthly average temperature in Winchester for February is 25.6 degrees
  • The most monthly precipitation in Winchester occurs in August with 8.8 inches
  • The air quality index in Winchester is 17% better than the national average
  • The pollution index in Winchester is 28% better than the national average

Compare Winchester, IN Weather

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      Winchester 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°F8.1"
      February18°F34°F26°F4.1"
      March32°F52°F41°F5.7"
      April40°F64°F51°F7.1"
      May51°F75°F63°F2.9"
      June62°F84°F73°F4.0"
      July61°F84°F72°F4.9"
      August64°F85°F74°F8.8"
      September57°F81°F68°F4.3"
      October49°F68°F58°F5.4"
      November34°F53°F43°F6.2"
      December22°F36°F29°F5.0"

      Winchester 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.
      IndexWinchesterIndianaNational
      Air quality index355642
      Pollution index1,974,0402,719,4532,726,193

      Winchester air quality

      MeasurementTotal
      Days measured352
      Days with good air quality319
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.002%
      Lead0.002%
      Mercury0.000%

      Average monthly Winchester temperature with heat index

      Winchester monthly precipitation with daily maximum

      Winchester monthly snow depth with daily maximum

      Winchester monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lynn, IN1,314688.0%
      Union City, IN3,385688.0%
      New Madison, OH1,086688.0%
      Economy, IN123688.0%
      Union City, OH1,660688.0%
      Winchester, IN4,7633530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Springdale, MD4,762476.0%
      Pinardville, NH4,7643726.0%
      West Pittston, PA4,7643824.0%
      Mineola, TX4,7643628.0%
      Lakeview, GA4,761468.0%
      Winchester, IN4,7633530.0%
      Source: The Winchester, IN 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.