TODAY MAR28
TEMPERATURE33
HUMIDITY63
PRESSURE102030
WIND COND.210 11.2
  • 4943Fri80%
  • 5938Sat70%
  • 4643Sun
  • 4940Mon
  • 4636Tue
daynightWeather update from Chicago, Chicago-O'Hare International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hermosa for July is 76.3 degrees
  • The lowest monthly average temperature in Hermosa for January is 26.2 degrees
  • The most monthly precipitation in Hermosa occurs in August with 5.1 inches
  • The air quality index in Hermosa is 31% worse than the national average
  • The pollution index in Hermosa is 39% worse than the national average

Compare Chicago, IL Weather

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      Hermosa 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°F34°F26°F1.9"
      February21°F36°F28°F1.6"
      March33°F49°F40°F2.4"
      April42°F62°F51°F3.6"
      May52°F73°F61°F4.3"
      June63°F82°F72°F4.6"
      July68°F86°F76°F3.5"
      August67°F83°F75°F5.1"
      September60°F77°F68°F2.8"
      October48°F65°F55°F3.9"
      November36°F51°F43°F2.2"
      December25°F37°F31°F2.2"

      Hermosa 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.
      IndexHermosaChicagoIllinois
      Air quality index555541
      Pollution index3,795,41080,238,7043,148,694

      Hermosa air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Hermosa air quality information

      PollutantTotal
      Arsenic0.760%
      Benzene0.560%
      Carbon Tetrachloride0.280%
      Lead0.480%
      Mercury0.480%

      Average monthly Hermosa temperature with heat index

      Hermosa monthly precipitation with daily maximum

      Hermosa monthly snow depth with daily maximum

      Hermosa monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cicero, IL81,4715510.0%
      Oak Park, IL52,1025510.0%
      Hickory Hills, IL14,2535510.0%
      Addison, IL36,7145510.0%
      Golf, IL5215510.0%
      Chicago, IL2,699,3475510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Toronto, ON3,013,752n/a 
      Houston, TX2,313,238524.0%
      Montréal, QC1,811,008n/a 
      Phoenix, AZ1,658,4227448.0%
      Philadelphia, PA1,581,531512.0%
      Chicago, IL2,699,3475510.0%
      Source: The Hermosa, Chicago, 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.