TODAY MAY07
TEMPERATURE57
HUMIDITY45
PRESSURE29.97
WIND COND.330 18.4
  • 5642Sat60%
  • 5340Sun70%30%
  • 5638Mon
  • 6041Tue
  • 6345Wed
daynightWeather update from Chicago, Chicago-O'Hare International Airport at

Key findings

  • The highest monthly average temperature in Lombard for July is 75 degrees
  • The lowest monthly average temperature in Lombard for January is 24.8 degrees
  • The most monthly precipitation in Lombard occurs in May with 5.4 inches
  • The air quality index in Lombard is 11% worse than the national average
  • The pollution index in Lombard is 196% worse than the national average

Compare Lombard, IL Weather

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      Lombard 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°F34°F25°F2.3"
      February18°F36°F27°F2.3"
      March29°F49°F39°F2.8"
      April38°F63°F50°F3.9"
      May48°F73°F60°F5.4"
      June59°F83°F71°F4.5"
      July64°F86°F75°F5.2"
      August63°F84°F74°F4.4"
      September56°F78°F66°F3.6"
      October44°F65°F54°F3.4"
      November32°F52°F42°F2.3"
      December21°F38°F29°F2.9"

      Lombard 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.
      IndexLombardIllinoisNational
      Air quality index554150
      Pollution index14,981,3003,347,2955,066,862

      Lombard air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Lombard air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly Lombard temperature with heat index

      Lombard monthly precipitation with daily maximum

      Lombard monthly snow depth with daily maximum

      Lombard monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Aurora, IL200,9075510%
      Broadview, IL7,9155510%
      Forest Park, IL14,1375510%
      Bridgeview, IL16,3815510%
      Worth, IL10,7765510%
      Lombard, IL44,0255510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cutler Bay, FL44,0024118%
      Farmington, NM44,067492%
      Blacksburg, VA43,9734118%
      Attleboro, MA44,1214412%
      Apex, NC43,893468%
      Lombard, IL44,0255510%
      Source: The Lombard, 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.