TODAY MAR28
TEMPERATURE34
HUMIDITY92
PRESSURE102100
WIND COND.360 5.4
  • 5130Thu
  • 5334Fri
  • 5540Sat80%80%
  • 5843Sun40%
  • 6348Mon60%90%
daynightWeather update from New Castle Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South New Castle for July is 72.2 degrees
  • The lowest monthly average temperature in South New Castle for January is 26.1 degrees
  • The most monthly precipitation in South New Castle occurs in July with 6.5 inches
  • The air quality index in South New Castle is 26% better than the national average
  • The pollution index in South New Castle is 78% better than the national average

Compare South New Castle, PA Weather

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      South 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
      January20°F34°F26°F2.8"
      February20°F36°F27°F2.4"
      March31°F52°F40°F4.8"
      April40°F63°F50°F3.3"
      May49°F74°F60°F4.6"
      June57°F81°F68°F5.5"
      July61°F85°F72°F6.5"
      August59°F83°F70°F4.0"
      September53°F76°F63°F3.8"
      October43°F63°F52°F3.5"
      November33°F53°F42°F3.6"
      December25°F40°F31°F3.3"

      South 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.
      IndexSouth New CastlePennsylvaniaNational
      Air quality index314542
      Pollution index601,9864,584,8052,726,193

      South New Castle air quality information

      MeasurementTotal
      Days measured361
      Days with good air quality356
      Days with moderate air quality5
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      South New Castle air quality information

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

      Average monthly South New Castle temperature with heat index

      South New Castle monthly precipitation with daily maximum

      South New Castle monthly snow depth with daily maximum

      South New Castle monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      New Waterford, OH881688.0%
      Lake Tomahawk, OH713688.0%
      Rogers, OH186688.0%
      Beaver Falls, PA8,393688.0%
      East Palestine, OH4,457688.0%
      South New Castle, PA9163138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Michaels, AZ9161766.0%
      La Veta, CO9162060.0%
      Mounds, IL9164412.0%
      Laurie, MO9163922.0%
      Temple, OK9164314.0%
      South New Castle, PA9163138.0%
      Source: The South New Castle, PA 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.