TODAY DEC22
TEMPERATURE18
HUMIDITY67
PRESSURE102740
WIND COND.310 11.2
  • 3629Mon30%
  • 3627Tue70%30%
  • 373030%
  • 4129Thu
  • 4232Fri30%
daynightWeather update from Somerset County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Casselman for August is 74.6 degrees
  • The lowest monthly average temperature in Casselman for February is 28.2 degrees
  • The most monthly precipitation in Casselman occurs in August with 13.8 inches
  • The air quality index in Casselman is 14% better than the national average
  • The pollution index in Casselman is 9% worse than the national average

Compare Casselman, PA Weather

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      Casselman 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°F33°F10.7"
      February21°F34°F28°F2.7"
      March31°F48°F40°F6.7"
      April39°F59°F51°F4.2"
      May48°F71°F62°F4.3"
      June59°F80°F72°F7.9"
      July63°F82°F74°F6.2"
      August64°F82°F75°F13.8"
      September56°F78°F69°F6.2"
      October47°F66°F57°F6.5"
      November35°F53°F44°F5.9"
      December27°F38°F33°F2.9"

      Casselman 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.
      IndexCasselmanPennsylvaniaNational
      Air quality index364542
      Pollution index2,970,5104,584,8052,726,193

      Casselman air quality

      MeasurementTotal
      Days measured359
      Days with good air quality340
      Days with moderate air quality19
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.650%
      Mercury0.001%

      Average monthly Casselman temperature with heat index

      Casselman monthly precipitation with daily maximum

      Casselman monthly snow depth with daily maximum

      Casselman monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Addison, PA2663628.0%
      Meyersdale, PA2,2033628.0%
      Edie, PA503628.0%
      Rockwood, PA8023628.0%
      Confluence, PA5973628.0%
      Casselman, PA663628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ali Molina, AZ66476.0%
      Agenda, KS663236.0%
      Roseland, KS663726.0%
      Burna, KY664412.0%
      Sunburg, MN663236.0%
      Casselman, PA663628.0%
      Source: The Casselman, 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.