TODAY NOV21
TEMPERATURE52
HUMIDITY17
PRESSURE
WIND COND.230 42.5
  • 4234Fri
  • 4125Sat20%
  • 2817Sun50%30%
  • 2722Mon
  • 2919Tue
daynightWeather update from Casper, Natrona County International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Casper Mountain for July is 72.4 degrees
  • The lowest monthly average temperature in Casper Mountain for December is 24 degrees
  • The most monthly precipitation in Casper Mountain occurs in May with 2.5 inches
  • The air quality index in Casper Mountain is equal to the national average
  • The pollution index in Casper Mountain is 68% better than the national average

Compare Casper Mountain, WY Weather

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      Casper Mountain 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
      January14°F37°F26°F0.6"
      February15°F41°F27°F0.6"
      March23°F53°F37°F1.0"
      April27°F60°F42°F1.6"
      May36°F69°F51°F2.5"
      June44°F83°F64°F1.2"
      July52°F92°F72°F2.3"
      August50°F89°F69°F1.1"
      September42°F79°F59°F0.9"
      October32°F64°F46°F1.3"
      November23°F51°F36°F0.5"
      December12°F36°F24°F0.9"

      Casper Mountain 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.
      IndexCasper MountainWyomingNational
      Air quality index423942
      Pollution index873,2481,779,9752,726,193

      Casper Mountain air quality

      MeasurementTotal
      Days measured364
      Days with good air quality327
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.050%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.020%
      Mercury0.140%

      Average monthly Casper Mountain temperature with heat index

      Casper Mountain monthly precipitation with daily maximum

      Casper Mountain monthly snow depth with daily maximum

      Casper Mountain monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Meadow Acres, WY704216.0%
      Hartrandt, WY1,0164216.0%
      Bar Nunn, WY2,7864216.0%
      Mills, WY3,9554216.0%
      Brookhurst, WY1144216.0%
      Casper Mountain, WY9654216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Windsor village, IL9654020.0%
      Harmony, IN9654510.0%
      Aulander, NC9653628.0%
      Belmont, WV9653530.0%
      Mnjikaning First Nation 32, ON965n/a 
      Casper Mountain, WY9654216.0%
      Source: The Casper Mountain, WY 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.