TODAY OCT09
TEMPERATURE43
HUMIDITY100
PRESSURE101760
WIND COND.
  • 7445
  • 7649Thu
  • 8352Fri
  • 7145Sat
  • 6136Sun
daynightWeather update from Janesville-Rock County at
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Weather Quick Facts

  • The highest monthly average temperature in Rockton for July is 74 degrees
  • The lowest monthly average temperature in Rockton for January is 22.5 degrees
  • The most monthly precipitation in Rockton occurs in August with 5.3 inches
  • The air quality index in Rockton is equal to the national average
  • The pollution index in Rockton is 249% worse than the national average

Compare Rockton, IL Weather

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      Rockton 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"

      Rockton 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.
      IndexRocktonIllinoisNational
      Air quality index424142
      Pollution index9,518,9303,148,6942,726,193

      Rockton air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.005%
      Benzene0.090%
      Carbon Tetrachloride0.020%
      Lead0.160%
      Mercury0.090%

      Average monthly Rockton temperature with heat index

      Rockton monthly precipitation with daily maximum

      Rockton monthly snow depth with daily maximum

      Rockton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Clinton, WI1,9943824.0%
      Hanover, WI1193824.0%
      Orfordville, WI1,4503824.0%
      South Beloit, IL7,7303824.0%
      Beloit, WI36,8043824.0%
      Rockton, IL7,7104216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Franklin, CA7,709484.0%
      Citrus Hills, FL7,7113040.0%
      Crookston, MN7,7113334.0%
      Wickenburg, AZ7,7084314.0%
      Woodlake, CA7,7086632.0%
      Rockton, IL7,7104216.0%
      Source: The Rockton, 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.