TODAY NOV21
TEMPERATURE31
HUMIDITY85
PRESSURE
WIND COND.240 16.6
  • 4236Fri30%20%
  • 4532Sat
  • 5143Sun
  • 5628Mon40%70%
  • 3926Tue
daynightWeather update from Muncie, Delaware County-Johnson Field at
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Weather Quick Facts

  • The highest monthly average temperature in New Castle for August is 74.4 degrees
  • The lowest monthly average temperature in New Castle for February is 25.6 degrees
  • The most monthly precipitation in New Castle occurs in August with 8.8 inches
  • The air quality index in New Castle is 33% better than the national average
  • The pollution index in New Castle is 28% better than the national average

Compare New Castle, IN Weather

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      New Castle 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"

      New Castle 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.
      IndexNew CastleIndianaNational
      Air quality index285642
      Pollution index1,974,0402,719,4532,726,193

      New Castle air quality

      MeasurementTotal
      Days measured119
      Days with good air quality106
      Days with moderate air quality13
      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 New Castle temperature with heat index

      New Castle monthly precipitation with daily maximum

      New Castle monthly snow depth with daily maximum

      New Castle monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      East Germantown, IN337688.0%
      Milton, IN321688.0%
      Mount Auburn, IN922844.0%
      Mooreland, IN3382844.0%
      Wilkinson, IN4392844.0%
      New Castle, IN17,2342844.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Perry, GA17,2353824.0%
      Anacortes, WA17,2312452.0%
      Tavares, FL17,2283726.0%
      Flowing Wells, AZ17,227476.0%
      Pampa, TX17,2264412.0%
      New Castle, IN17,2342844.0%
      Source: The New Castle, 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.