TODAY MAR29
TEMPERATURE50
HUMIDITY54
PRESSURE101690
WIND COND.220 11.2
  • 7156Fri50%
  • 6948Sat
  • 7154Sun50%70%
  • 7344Mon70%90%
  • 5535Tue40%
daynightWeather update from Springfield - Abraham Lincoln Capital Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Sherman for July is 76.6 degrees
  • The lowest monthly average temperature in Sherman for January is 28.5 degrees
  • The most monthly precipitation in Sherman occurs in June with 5.5 inches
  • The air quality index in Sherman is 5% better than the national average
  • The pollution index in Sherman is 88% worse than the national average

Compare Sherman, IL Weather

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      Sherman 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
      January20°F38°F29°F2.1"
      February22°F41°F31°F1.9"
      March34°F56°F44°F2.9"
      April44°F68°F56°F4.3"
      May54°F77°F65°F4.5"
      June64°F86°F74°F5.5"
      July66°F88°F77°F4.3"
      August64°F86°F75°F3.2"
      September57°F81°F68°F3.7"
      October46°F69°F56°F3.7"
      November36°F55°F45°F2.5"
      December26°F41°F33°F2.8"

      Sherman 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.
      IndexShermanIllinoisNational
      Air quality index404142
      Pollution index5,136,0803,148,6942,726,193

      Sherman air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality287
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Sherman air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.090%
      Carbon Tetrachloride0.010%
      Lead0.390%
      Mercury0.020%

      Average monthly Sherman temperature with heat index

      Sherman monthly precipitation with daily maximum

      Sherman monthly snow depth with daily maximum

      Sherman monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Clear Lake, IL3864020.0%
      Leland Grove, IL1,2374020.0%
      Southern View, IL1,6054020.0%
      Dawson, IL7054020.0%
      Elkhart, IL4594020.0%
      Sherman, IL4,4704020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Surfside Beach, SC4,4701472.0%
      Fort Pierce South, FL4,4683628.0%
      Viroqua, WI4,4723530.0%
      Watertown, MN4,473468.0%
      South Greeley, WY4,4734314.0%
      Sherman, IL4,4704020.0%
      Source: The Sherman, 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.