TODAY DEC22
TEMPERATURE27
HUMIDITY46
PRESSURE103180
WIND COND.20 9.4
  • 3325Mon
  • 4429Tue30%
  • 4029
  • 4129Thu
  • 4334Fri
daynightWeather update from Eastern WV Regional Airport/Shepherd Field at
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Weather Quick Facts

  • The highest monthly average temperature in Mercersville for July is 75.8 degrees
  • The lowest monthly average temperature in Mercersville for January is 32.7 degrees
  • The most monthly precipitation in Mercersville occurs in May with 4.5 inches
  • The air quality index in Mercersville is 5% better than the national average
  • The pollution index in Mercersville is 495% worse than the national average

Compare Mercersville, MD Weather

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      Mercersville 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°F43°F33°F2.3"
      February25°F45°F34°F1.7"
      March33°F56°F43°F2.9"
      April42°F68°F55°F3.7"
      May51°F76°F63°F4.5"
      June60°F84°F72°F3.9"
      July64°F88°F76°F3.3"
      August62°F86°F74°F3.1"
      September56°F80°F67°F3.3"
      October45°F68°F56°F4.2"
      November35°F57°F45°F2.4"
      December28°F47°F37°F3.2"

      Mercersville 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.
      IndexMercersvilleMarylandNational
      Air quality index404342
      Pollution index16,230,7005,342,3672,726,193

      Mercersville air quality

      MeasurementTotal
      Days measured362
      Days with good air quality306
      Days with moderate air quality54
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.130%
      Carbon Tetrachloride0.090%
      Lead0.080%
      Mercury0.020%

      Average monthly Mercersville temperature with heat index

      Mercersville monthly precipitation with daily maximum

      Mercersville monthly snow depth with daily maximum

      Mercersville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Middleway, WV3963824.0%
      Ranson, WV5,2173824.0%
      Charles Town, WV5,9853824.0%
      Highfield-Cascade, MD9124020.0%
      Reid, MD04020.0%
      Mercersville, MD1884020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Adak, AK1883138.0%
      Halibut Cove, AK1883138.0%
      Nikolaevsk, AK1883138.0%
      Bluff City, AR1883236.0%
      Pinion Pines, AZ1881374.0%
      Mercersville, MD1884020.0%
      Source: The Mercersville, MD 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.