TODAY JUN06
TEMPERATURE66
HUMIDITY65
PRESSURE30
WIND COND.330 5.8
  • 8255Sat
  • 8264Sun
  • 9168Mon
  • 8663Tue
  • 7758Wed
daynightWeather update from Rockford, Greater Rockford Airport at
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Rockford 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°F32°F23°F1.7"
February15°F35°F25°F1.6"
March27°F50°F38°F2.7"
April37°F64°F50°F4.3"
May47°F75°F61°F3.4"
June58°F84°F71°F5.1"
July62°F86°F74°F4.9"
August61°F84°F72°F5.3"
September53°F79°F65°F2.8"
October42°F66°F53°F2.9"
November30°F51°F40°F2.4"
December18°F36°F27°F2.5"

Did you know?

  • The highest monthly average temperature in Rockford for July is 74 degrees.
  • The lowest monthly average temperature in Rockford for January is 23 degrees.
  • The most monthly precipitation in Rockford occurs in August with 5.3 inches.
  • The air quality index in Rockford is 38% better than the national average.
  • The pollution index in Rockford is 66% better than the national average.

Compare Rockford, IL Weather To Other Cities

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      Rockford 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.
      IndexRockfordIllinoisNational
      Air quality index314150
      Pollution index1,721,0903,347,2955,066,862

      Rockford air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality339
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Rockford air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Rockford temperature with heat index

      Rockford monthly precipitation with daily maximum

      Rockford monthly snow depth with daily maximum

      Rockford monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Belvidere, IL25,3003138%
      Cherry Valley, IL3,1293138%
      Loves Park, IL24,4993138%
      Pecatonica, IL2,3153138%
      Stillman Valley, IL1,0753138%
      Rockford, IL149,5973138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sunnyvale, CA149,596484%
      Kansas City, KS149,7555816%
      Lakewood, CO149,793548%
      Escondido, CA149,9126122%
      Hollywood, FL148,1144118%
      Rockford, IL149,5973138%
      Source: The Rockford, 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.