TODAY FEB27
TEMPERATURE40
HUMIDITY89
PRESSURE29.88
WIND COND.160 24.1
  • 5944Sat30%
  • 5625Sun
  • 4622Mon
  • 4631Tue
  • 5433Wed
daynightWeather update from University of Illinois - Willard at

Key findings

  • The highest monthly average temperature in Garrett for August is 75 degrees
  • The lowest monthly average temperature in Garrett for February is 26 degrees
  • The most monthly precipitation in Garrett occurs in November with 7.3 inches
  • The air quality index in Garrett is 16% better than the national average
  • The pollution index in Garrett is 86% better than the national average

Compare Garrett, IL Weather

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      Garrett 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
      January22°F36°F29°F6.9"
      February19°F34°F26°F3.4"
      March33°F54°F42°F3.3"
      April41°F65°F52°F5.8"
      May52°F78°F65°F3.4"
      June63°F85°F74°F6.1"
      July63°F83°F73°F5.8"
      August65°F86°F75°F5.4"
      September57°F83°F69°F7.0"
      October46°F69°F57°F5.6"
      November33°F53°F42°F7.3"
      December21°F35°F27°F3.7"

      Garrett 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.
      IndexGarrettIllinoisNational
      Air quality index424150
      Pollution index703,2183,347,2955,066,862

      Garrett air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality281
      Days with moderate air quality84
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Garrett air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Garrett temperature with heat index

      Garrett monthly precipitation with daily maximum

      Garrett monthly snow depth with daily maximum

      Garrett monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Arcola, IL2,8814216%
      Tuscola, IL4,4784216%
      Pesotum, IL5144216%
      Atwood, IL1,1064216%
      Villa Grove, IL2,2224216%
      Garrett, IL794216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Washington, CA794412%
      Fairburn, SD794412%
      Cayce, KY792648%
      Flute Springs, OK793628%
      Ozan, AR793922%
      Garrett, IL794216%
      Source: The Garrett, 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.