TODAY MAY17
TEMPERATURE73
HUMIDITY48
PRESSURE30.16
WIND COND.160 18.4
  • 6761Tue90%90%
  • 7765Wed40%50%
  • 8366Thu20%
  • 8466Fri
  • 8666Sat
daynightWeather update from Rockford, Greater Rockford Airport at

Key findings

  • The highest monthly average temperature in Rockford for July is 74 degrees
  • The lowest monthly average temperature in Rockford for January is 22.5 degrees
  • The most monthly precipitation in Rockford occurs in August with 5.3 inches
  • The air quality index in Rockford is 16% better than the national average
  • The pollution index in Rockford is 66% better than the national average

Compare Rockford, IL Weather

      vs
      How would you rate the weather in Rockford?
      Write a review to give others more information about this area.
      How would you rate the air quality in Rockford?
      Write a review to give others more information about this area.
      See all Rockford poll results

      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"

      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 index424150
      Pollution index1,721,0903,347,2955,066,862

      Rockford air quality information

      MeasurementTotal
      Days measured341
      Days with good air quality240
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      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.
      Candlewick Lake, IL4,6464216%
      Rockton, IL7,5964216%
      Cherry Valley, IL3,1294216%
      New Milford, IL6444216%
      Winnebago, IL3,0084216%
      Rockford, IL149,5974216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sunnyvale, CA149,5964314%
      Kansas City, KS149,755476%
      Lakewood, CO149,7935816%
      Escondido, CA149,9126428%
      Hollywood, FL148,1144118%
      Rockford, IL149,5974216%
      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.