TODAY DEC23
TEMPERATURE5
HUMIDITY81
PRESSURE103150
WIND COND.240 5.4
  • 5226Mon
  • 4928Tue
  • 483020%
  • 4629Thu
  • 4626Fri
daynightWeather update from Ainsworth Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Johnstown for July is 74.8 degrees
  • The lowest monthly average temperature in Johnstown for December is 24.8 degrees
  • The most monthly precipitation in Johnstown occurs in June with 6.7 inches
  • The air quality index in Johnstown is 55% better than the national average
  • The pollution index in Johnstown is 95% better than the national average

Compare Johnstown, NE Weather

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      Johnstown 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
      January16°F38°F26°F0.8"
      February17°F39°F27°F0.8"
      March28°F53°F38°F2.1"
      April36°F61°F47°F5.2"
      May46°F71°F57°F6.4"
      June57°F82°F69°F6.7"
      July63°F89°F75°F5.1"
      August60°F85°F71°F6.1"
      September51°F78°F63°F4.4"
      October39°F64°F49°F4.0"
      November27°F52°F37°F2.0"
      December16°F36°F25°F1.1"

      Johnstown 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.
      IndexJohnstownNebraskaNational
      Air quality index198642
      Pollution index132,424590,6272,726,193

      Johnstown air quality

      MeasurementTotal
      Days measured60
      Days with good air quality55
      Days with moderate air quality5
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.005%
      Mercury0.000%

      Average monthly Johnstown temperature with heat index

      Johnstown monthly precipitation with daily maximum

      Johnstown monthly snow depth with daily maximum

      Johnstown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Wood Lake, NE261962.0%
      Ainsworth, NE1,6551962.0%
      Johnstown, NE361962.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Excursion Inlet, AK362060.0%
      Proberta, CA364118.0%
      Maybell, CO36492.0%
      Coburg, IA364020.0%
      St. Vincent, MN363334.0%
      Johnstown, NE361962.0%
      Source: The Johnstown, NE 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.