TODAY NOV21
TEMPERATURE41
HUMIDITY89
PRESSURE100070
WIND COND.330 9.4
  • 4032Fri70%50%
  • 5038Sat
  • 5132Sun
  • 5543Mon
  • 5633Tue30%
daynightWeather update from Philadelphia - Wings Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Horsham for July is 76.5 degrees
  • The lowest monthly average temperature in Horsham for January is 32.4 degrees
  • The most monthly precipitation in Horsham occurs in June with 6.5 inches
  • The air quality index in Horsham is 21% worse than the national average
  • The pollution index in Horsham is 201% worse than the national average

Compare Horsham, PA Weather

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      Horsham 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
      January26°F40°F32°F2.8"
      February26°F42°F34°F3.1"
      March34°F53°F43°F5.7"
      April44°F64°F54°F6.3"
      May52°F72°F62°F4.9"
      June63°F81°F72°F6.5"
      July67°F85°F77°F5.8"
      August66°F84°F75°F4.1"
      September59°F78°F69°F3.2"
      October48°F65°F57°F6.4"
      November40°F55°F48°F2.5"
      December29°F42°F35°F3.6"

      Horsham 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.
      IndexHorshamPennsylvaniaNational
      Air quality index514542
      Pollution index8,206,3104,584,8052,726,193

      Horsham air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.260%
      Benzene0.060%
      Carbon Tetrachloride0.020%
      Lead0.160%
      Mercury1.120%

      Average monthly Horsham temperature with heat index

      Horsham monthly precipitation with daily maximum

      Horsham monthly snow depth with daily maximum

      Horsham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Plumsteadville, PA2,2864118.0%
      Langhorne Manor, PA1,4914118.0%
      Newtown Grant, PA5,7404118.0%
      Doylestown, PA8,2824118.0%
      Penndel, PA2,9284118.0%
      Horsham, PA15,864512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      River Falls, WI15,8703726.0%
      South River, NJ15,8744118.0%
      New Territory, TX15,843524.0%
      Bellmore, NY15,887512.0%
      North Decatur, GA15,833524.0%
      Horsham, PA15,864512.0%
      Source: The Horsham, 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.