TODAY DEC22
TEMPERATURE20
HUMIDITY43
PRESSURE103250
WIND COND.330 13
  • 3022Mon
  • 3824Tue30%
  • 3723
  • 3825Thu
  • 4227Fri
daynightWeather update from Trenton, Mercer County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chambersburg for July is 77 degrees
  • The lowest monthly average temperature in Chambersburg for January is 32.7 degrees
  • The most monthly precipitation in Chambersburg occurs in June with 5.3 inches
  • The air quality index in Chambersburg is 3% better than the national average
  • The pollution index in Chambersburg is 22% worse than the national average

Compare Trenton, NJ Weather

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      Chambersburg 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
      January25°F42°F33°F3.3"
      February25°F43°F34°F2.4"
      March33°F53°F42°F3.4"
      April43°F66°F54°F3.8"
      May52°F75°F63°F3.9"
      June62°F83°F72°F5.3"
      July67°F88°F77°F5.1"
      August65°F85°F75°F4.7"
      September59°F79°F68°F3.5"
      October48°F68°F57°F4.2"
      November37°F57°F46°F2.9"
      December31°F47°F38°F4.3"

      Chambersburg 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.
      IndexChambersburgTrentonNew Jersey
      Air quality index414145
      Pollution index3,313,9203,313,9207,246,891

      Chambersburg air quality

      MeasurementTotal
      Days measured365
      Days with good air quality280
      Days with moderate air quality83
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.350%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.350%
      Mercury0.340%

      Average monthly Chambersburg temperature with heat index

      Chambersburg monthly precipitation with daily maximum

      Chambersburg monthly snow depth with daily maximum

      Chambersburg monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Heathcote, NJ7,3894118.0%
      Lambertville, NJ3,8094118.0%
      Stockton, NJ4724118.0%
      Bordentown, NJ3,8084118.0%
      Groveville, NJ2,9534118.0%
      Trenton, NJ83,3874118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Myers, FL83,5053628.0%
      Goodyear, AZ83,5197448.0%
      Mission, TX83,7964216.0%
      New Westminster, BC82,940n/a 
      Chino Hills, CA82,8008978.0%
      Trenton, NJ83,3874118.0%
      Source: The Chambersburg, Trenton, 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.