TODAY AUG15
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7967Wed60%60%
  • 8165Thu40%40%
  • 8265Fri30%
  • 8462Sat
  • 8466Sun
daynightWeather update from Joliet Regional Airport at

Rockdale Average Weather

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°F34°F25°F2.5"
February19°F36°F27°F2.8"
March31°F50°F39°F4.5"
April41°F63°F51°F4.9"
May50°F73°F61°F4.7"
June60°F83°F71°F5.4"
July64°F85°F74°F5.7"
August62°F83°F72°F6.8"
September55°F77°F65°F5.4"
October44°F64°F53°F5.7"
November33°F51°F41°F4.9"
December23°F37°F30°F3.7"

Did you know?

  • The highest monthly average temperature in Rockdale for July is 74 degrees.
  • The lowest monthly average temperature in Rockdale for January is 25 degrees.
  • The most monthly precipitation in Rockdale occurs in August with 6.8 inches.
  • The air quality index in Rockdale is 20% worse than the national average.
  • The pollution index in Rockdale is 69% better than the national average.

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Compare Rockdale, IL Weather To Other Cities

Rockdale 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.
IndexRockdaleIllinoisNational
Air quality index604150
Pollution index1,558,0703,347,2955,066,862

Rockdale air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Rockdale air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.070%
Lead0.090%
Mercury0.010%

Average monthly Rockdale temperature with heat index

Rockdale monthly precipitation with daily maximum

Rockdale monthly snow depth with daily maximum

Rockdale monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Channahon, IL12,329198%
Minooka, IL11,786198%
Plattville, IL254198%
Wilmington village, IL144198%
Montgomery, IL19,055198%
Rockdale, IL2,1516020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Conway, PA2,151688%
Columbia City, OR2,1512256%
Minonk, IL2,1513628%
Whitney, TX2,1523922%
Lawai, HI2,1521570%
Rockdale, IL2,1516020%
Source: The Rockdale, 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.