TODAY MAY28
TEMPERATURE78
HUMIDITY47
PRESSURE100980
WIND COND.
  • 7758Wed50%
  • 7454Thu20%20%
  • 7454Fri
  • 7957Sat
  • 8061Sun
daynightWeather update from Wilmington, New Castle County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Penns Grove for July is 77.2 degrees
  • The lowest monthly average temperature in Penns Grove for February is 33.8 degrees
  • The most monthly precipitation in Penns Grove occurs in October with 6.1 inches
  • The air quality index in Penns Grove is 21% worse than the national average
  • The pollution index in Penns Grove is 20% better than the national average

Compare Penns Grove, NJ Weather

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      Penns Grove 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
      January27°F43°F34°F3.3"
      February26°F43°F34°F2.5"
      March34°F54°F43°F3.7"
      April44°F66°F54°F4.9"
      May52°F74°F63°F3.2"
      June64°F83°F73°F5.0"
      July68°F87°F77°F5.6"
      August67°F86°F76°F3.7"
      September59°F79°F69°F4.1"
      October48°F67°F57°F6.1"
      November40°F57°F48°F3.3"
      December30°F46°F38°F5.3"

      Penns Grove 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.
      IndexPenns GroveNew JerseyNational
      Air quality index514542
      Pollution index2,169,6007,246,8912,726,193

      Penns Grove air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality180
      Days with moderate air quality169
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Penns Grove air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.004%

      Average monthly Penns Grove temperature with heat index

      Penns Grove monthly precipitation with daily maximum

      Penns Grove monthly snow depth with daily maximum

      Penns Grove monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alloway, NJ1,4744020.0%
      Quinton, NJ3694020.0%
      Pennsville, NJ11,9684020.0%
      Salem, NJ4,7614020.0%
      Woodstown, NJ3,4454020.0%
      Penns Grove, NJ4,793512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Meridian, CO4,7925816.0%
      Holts Summit, MO4,7903922.0%
      West Milton, OH4,790476.0%
      Tyendinaga, ON4,796n/a 
      Nassau Village-Ratliff, FL4,7894314.0%
      Penns Grove, NJ4,793512.0%
      Source: The Penns Grove, NJ 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.