TODAY NOV02
TEMPERATURE45
HUMIDITY49
PRESSURE102510
WIND COND.
  • 4825Sun
  • 4636Mon60%
  • 6354Tue60%
  • 6942Wed30%
  • 6037Thu
daynightWeather update from Auburn-Lewiston at
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Weather Quick Facts

  • The highest monthly average temperature in Casco for July is 69 degrees
  • The lowest monthly average temperature in Casco for January is 22.1 degrees
  • The most monthly precipitation in Casco occurs in June with 9.6 inches
  • The air quality index in Casco is 26% better than the national average
  • The pollution index in Casco is equal to the national average

Compare Casco, ME Weather

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      Casco 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
      January12°F32°F22°F4.9"
      February14°F33°F23°F5.4"
      March22°F42°F32°F6.5"
      April34°F55°F44°F6.8"
      May44°F66°F55°F5.8"
      June53°F73°F63°F9.6"
      July59°F80°F69°F8.9"
      August56°F79°F67°F6.4"
      September49°F72°F60°F7.0"
      October39°F60°F49°F9.0"
      November29°F48°F38°F7.0"
      December19°F36°F27°F5.4"

      Casco 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.
      IndexCascoMaineNational
      Air quality index313342
      Pollution index2,712,9203,417,5212,726,193

      Casco air quality

      MeasurementTotal
      Days measured361
      Days with good air quality345
      Days with moderate air quality16
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.050%
      Mercury0.070%

      Average monthly Casco temperature with heat index

      Casco monthly precipitation with daily maximum

      Casco monthly snow depth with daily maximum

      Casco monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bridgton, ME1,8503138.0%
      Oxford, ME1,0263138.0%
      Gray, ME7473138.0%
      Mechanic Falls, ME2,1183138.0%
      Naples, ME5553138.0%
      Casco, ME7173138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Elaine, AR7174314.0%
      Dennehotso, AZ717492.0%
      Dalton City, IL7174412.0%
      Crab Orchard, KY7173334.0%
      Napi Headquarters, NM717492.0%
      Casco, ME7173138.0%
      Source: The Casco, ME 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.