TODAY DEC03
TEMPERATURE21
HUMIDITY73
PRESSURE103120
WIND COND.310 11.2
  • 3124Tue
  • 4014Wed20%
  • 2312Thu
  • 2923Fri
  • 4027Sat
daynightWeather update from Morris Muni-James R Washburn Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Newark for July is 73.1 degrees
  • The lowest monthly average temperature in Newark for January is 24.8 degrees
  • The most monthly precipitation in Newark occurs in July with 9 inches
  • The air quality index in Newark is 100% better than the national average
  • The pollution index in Newark is 31% better than the national average

Compare Newark, IL Weather

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      Newark 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°F33°F25°F3.9"
      February18°F35°F26°F2.3"
      March31°F50°F39°F4.3"
      April40°F63°F50°F8.4"
      May51°F74°F62°F6.0"
      June61°F82°F71°F5.7"
      July63°F84°F73°F9.0"
      August62°F82°F71°F5.4"
      September54°F77°F65°F3.7"
      October44°F65°F53°F7.1"
      November33°F51°F41°F4.0"
      December22°F37°F29°F3.0"

      Newark 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.
      IndexNewarkIllinoisNational
      Air quality index04142
      Pollution index1,874,4903,148,6942,726,193

      Newark air quality

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Newark temperature with heat index

      Newark monthly precipitation with daily maximum

      Newark monthly snow depth with daily maximum

      Newark monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Holiday, IL5,3650100.0%
      Dayton, IL4750100.0%
      Lisbon, IL2810100.0%
      Plattville, IL1900100.0%
      Somonauk, IL2,0270100.0%
      Newark, IL1,3250100.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Donovan Estates, AZ1,3254510.0%
      Hawi, HI1,3251570.0%
      Norris City, IL1,3254314.0%
      Muhlenberg Park, PA1,3254216.0%
      St. Vincent College, PA1,3253922.0%
      Newark, IL1,3250100.0%
      Source: The Newark, IL 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.