TODAY SEP24
TEMPERATURE68
HUMIDITY87
PRESSURE29.93
WIND COND.110 8.1
  • 7952Tue20%70%
  • 6548Wed20%
  • 6850Thu
  • 6449Fri
  • 6151Sat
daynightWeather update from Chicago, Chicago-O'Hare International Airport at
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Berkeley 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"

Did you know?

  • The highest monthly average temperature in Berkeley for July is 75 degrees.
  • The lowest monthly average temperature in Berkeley for January is 25 degrees.
  • The most monthly precipitation in Berkeley occurs in May with 5.4 inches.
  • The air quality index in Berkeley is 20% worse than the national average.
  • The pollution index in Berkeley is 195% worse than the national average.

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Berkeley 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.
IndexBerkeleyIllinoisNational
Air quality index604150
Pollution index14,981,3003,347,2955,066,862

Berkeley 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

Berkeley air quality information

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

Average monthly Berkeley temperature with heat index

Berkeley monthly precipitation with daily maximum

Berkeley monthly snow depth with daily maximum

Berkeley monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
La Grange, IL15,6886020%
Lombard, IL44,0256020%
Melrose Park, IL25,4226020%
Naperville, IL145,7896020%
Northlake, IL12,3396020%
Berkeley, IL5,2016020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Asbury, IA5,2013236%
Bangor, PA5,1983922%
Lone Grove, OK5,1974314%
Moab, UT5,1964118%
Williamson, AZ5,2074118%
Berkeley, IL5,2016020%
Source: The Berkeley, 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.