TODAY NOV21
TEMPERATURE43
HUMIDITY68
PRESSURE100170
WIND COND. 5.4
  • 4235Fri80%30%
  • 5239Sat
  • 5335Sun
  • 5744Mon40%
  • 5435Tue50%
daynightWeather update from Hagerstown, Washington County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mount Aetna for July is 72.6 degrees
  • The lowest monthly average temperature in Mount Aetna for February is 28.9 degrees
  • The most monthly precipitation in Mount Aetna occurs in June with 5.8 inches
  • The air quality index in Mount Aetna is 5% better than the national average
  • The pollution index in Mount Aetna is 495% worse than the national average

Compare Mount Aetna, MD Weather

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      Mount Aetna 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
      January23°F36°F29°F4.0"
      February23°F36°F29°F3.7"
      March33°F50°F40°F5.2"
      April44°F63°F52°F4.8"
      May54°F70°F61°F5.1"
      June61°F77°F68°F5.8"
      July66°F81°F73°F4.0"
      August64°F79°F71°F4.3"
      September56°F70°F62°F4.4"
      October48°F62°F55°F5.6"
      November37°F51°F43°F3.8"
      December29°F41°F35°F5.0"

      Mount Aetna 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.
      IndexMount AetnaMarylandNational
      Air quality index404342
      Pollution index16,230,7005,342,3672,726,193

      Mount Aetna 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 Mount Aetna temperature with heat index

      Mount Aetna monthly precipitation with daily maximum

      Mount Aetna monthly snow depth with daily maximum

      Mount Aetna monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Frederick, MD71,8434020.0%
      Eakles Mill, MD04020.0%
      Mount Briar, MD1174020.0%
      Charlton, MD3804020.0%
      Bakersville, MD04020.0%
      Mount Aetna, MD5994020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Loleta, CA5992746.0%
      Osyka, MS5993040.0%
      Conetoe, NC5993824.0%
      Ashley, ND5992060.0%
      Dunseith, ND5993628.0%
      Mount Aetna, MD5994020.0%
      Source: The Mount Aetna, 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.