TODAY MAR08
TEMPERATURE44
HUMIDITY70
PRESSURE30.35
WIND COND.160 20.5
  • 6642Mon
  • 6651Tue
  • 6654Wed40%30%
  • 6340Thu80%60%
  • 5134Fri
daynightWeather update from Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal at

Key findings

  • The highest monthly average temperature in Normal for July is 75 degrees
  • The lowest monthly average temperature in Normal for January is 26 degrees
  • The most monthly precipitation in Normal occurs in May with 5.5 inches
  • The air quality index in Normal is 12% better than the national average
  • The pollution index in Normal is 88% better than the national average

Compare Normal, IL Weather

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      Normal 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
      January18°F35°F26°F2.3"
      February19°F36°F27°F1.8"
      March32°F52°F41°F3.1"
      April42°F65°F53°F4.7"
      May53°F75°F63°F5.5"
      June63°F83°F73°F4.4"
      July65°F85°F75°F4.7"
      August63°F84°F73°F4.4"
      September56°F79°F66°F4.9"
      October45°F66°F54°F4.7"
      November33°F52°F42°F3.2"
      December23°F38°F30°F3.1"

      Normal 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.
      IndexNormalIllinoisNational
      Air quality index444150
      Pollution index607,2623,347,2955,066,862

      Normal air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Normal air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Normal temperature with heat index

      Normal monthly precipitation with daily maximum

      Normal monthly snow depth with daily maximum

      Normal monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      McLean, IL7794412%
      Ellsworth, IL2764412%
      Chenoa, IL1,8404412%
      Goodfield, IL9314412%
      Towanda, IL4414412%
      Normal, IL54,5344412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Dublin, CA54,5234314%
      Mount Prospect, IL54,5525510%
      Rosemead, CA54,5077244%
      Greenwood, IN54,564548%
      Highland, CA54,4908978%
      Normal, IL54,5344412%
      Source: The Normal, 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.