TODAY MAY28
TEMPERATURE67
HUMIDITY87
PRESSURE29.82
WIND COND.330 8.1
  • 6849Fri
  • 6745Sat
  • 6849Sun
  • 7158Mon
  • 8066Tue
daynightWeather update from Burlington Municipal Airport at
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Harvard 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°F30°F22°F2.3"
February14°F31°F23°F2.8"
March26°F45°F35°F3.7"
April36°F58°F46°F5.9"
May46°F71°F58°F4.8"
June56°F79°F67°F7.8"
July59°F82°F70°F11.4"
August57°F81°F68°F5.4"
September50°F74°F61°F7.1"
October40°F61°F50°F5.8"
November29°F48°F38°F5.2"
December19°F34°F27°F3.3"

Did you know?

  • The highest monthly average temperature in Harvard for July is 70 degrees.
  • The lowest monthly average temperature in Harvard for January is 22 degrees.
  • The most monthly precipitation in Harvard occurs in July with 11.4 inches.
  • The air quality index in Harvard is 38% better than the national average.
  • The pollution index in Harvard is 97% better than the national average.

Compare Harvard, IL Weather To Other Cities

      vs

      Harvard 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.
      IndexHarvardIllinoisNational
      Air quality index314150
      Pollution index151,0963,347,2955,066,862

      Harvard air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality339
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Harvard air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.000%

      Average monthly Harvard temperature with heat index

      Harvard monthly precipitation with daily maximum

      Harvard monthly snow depth with daily maximum

      Harvard monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Caledonia, IL2323138%
      Crystal Lake, IL40,4753138%
      Lakewood, IL4,1113138%
      Union, IL4843138%
      Candlewick Lake, IL4,6463138%
      Harvard, IL9,5893138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rainbow City, AL9,5903530%
      Bristol, PA9,5934020%
      Hackettstown, NJ9,5853922%
      Silverton, OR9,5853138%
      Aiea, HI9,5943040%
      Harvard, IL9,5893138%
      Source: The Harvard, 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.