TODAY NOV01
TEMPERATURE57
HUMIDITY23
PRESSURE101800
WIND COND.350 11.2
  • 6239Sat
  • 5633Sun30%70%
  • 4125Mon70%
  • 5028Tue
  • 3722Wed
daynightWeather update from Broomfield / Jeffco at
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Weather Quick Facts

  • The highest monthly average temperature in Northglenn for July is 74.8 degrees
  • The lowest monthly average temperature in Northglenn for December is 29.4 degrees
  • The most monthly precipitation in Northglenn occurs in May with 2.2 inches
  • The air quality index in Northglenn is 38% worse than the national average
  • The pollution index in Northglenn is 49% better than the national average

Compare Northglenn, CO Weather

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      Northglenn 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
      January18°F47°F31°F0.4"
      February18°F49°F32°F0.4"
      March27°F60°F42°F0.6"
      April32°F66°F48°F1.8"
      May41°F73°F56°F2.2"
      June52°F87°F69°F1.8"
      July59°F93°F75°F1.7"
      August57°F90°F72°F1.7"
      September49°F83°F65°F1.4"
      October37°F70°F51°F1.4"
      November26°F60°F41°F0.6"
      December16°F46°F29°F0.6"

      Northglenn 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.
      IndexNorthglennColoradoNational
      Air quality index583842
      Pollution index1,396,4202,068,3422,726,193

      Northglenn air quality

      MeasurementTotal
      Days measured365
      Days with good air quality91
      Days with moderate air quality252
      Days w/ poor A.Q. for sensitive groups20
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.000%

      Average monthly Northglenn temperature with heat index

      Northglenn monthly precipitation with daily maximum

      Northglenn monthly snow depth with daily maximum

      Northglenn monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aristocrat Ranchettes, CO2,0804510.0%
      Niwot, CO4,085476.0%
      Firestone, CO13,165476.0%
      Boulder, CO108,777476.0%
      Leyner, CO0476.0%
      Northglenn, CO39,2015816.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Germantown, TN39,1964510.0%
      Port Moody, BC39,217n/a 
      Roy, UT39,2434510.0%
      South Valley, NM39,150536.0%
      Milton, GA39,252524.0%
      Northglenn, CO39,2015816.0%
      Source: The Northglenn, CO 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.