TODAY MAR19
TEMPERATURE37
HUMIDITY50
PRESSURE101050
WIND COND.280 14.8
  • 4736Tue
  • 5029Wed20%
  • 4324Thu
  • 4637Fri50%
  • 5128Sat60%
daynightWeather update from Harrisburg, Capital City Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Harrisburg for July is 76.6 degrees
  • The lowest monthly average temperature in Harrisburg for January is 31.6 degrees
  • The most monthly precipitation in Harrisburg occurs in October with 5.1 inches
  • The air quality index in Harrisburg is 5% worse than the national average
  • The pollution index in Harrisburg is 307% worse than the national average

Compare Harrisburg, PA Weather

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      Harrisburg 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
      January24°F40°F32°F2.5"
      February24°F43°F33°F2.3"
      March33°F53°F42°F2.7"
      April43°F66°F54°F3.9"
      May52°F75°F63°F3.9"
      June62°F83°F73°F4.6"
      July67°F87°F77°F4.4"
      August64°F85°F74°F4.2"
      September58°F79°F68°F3.4"
      October47°F67°F56°F5.1"
      November36°F55°F45°F2.4"
      December29°F45°F36°F3.7"

      Harrisburg 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.
      IndexHarrisburgPennsylvaniaNational
      Air quality index444542
      Pollution index11,091,2004,584,8052,726,193

      Harrisburg air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality252
      Days with moderate air quality107
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality1

      Harrisburg air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.310%
      Mercury0.004%

      Average monthly Harrisburg temperature with heat index

      Harrisburg monthly precipitation with daily maximum

      Harrisburg monthly snow depth with daily maximum

      Harrisburg monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bainbridge, PA1,3994118.0%
      Manchester, PA2,6804118.0%
      York Haven, PA8194118.0%
      Mount Wolf, PA1,4134118.0%
      Falmouth, PA5694118.0%
      Harrisburg, PA49,2474412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Troy, NY49,2533726.0%
      Downers Grove, IL49,2635510.0%
      Portage, MI49,2243824.0%
      Cuyahoga Falls, OH49,1914314.0%
      Wilson, NC49,3103628.0%
      Harrisburg, PA49,2474412.0%
      Source: The Harrisburg, 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.