TODAY FEB28
TEMPERATURE56
HUMIDITY87
PRESSURE29.85
WIND COND.320 20.5
  • 4929Mon
  • 5335Tue
  • 5934Wed
  • 5633Thu
  • 5332Fri
daynightWeather update from St. Louis Downtown Airport at

Key findings

  • The highest monthly average temperature in Washington Park for August is 79 degrees
  • The lowest monthly average temperature in Washington Park for February is 33 degrees
  • The most monthly precipitation in Washington Park occurs in January with 11.3 inches
  • The air quality index in Washington Park is 9% worse than the national average
  • The pollution index in Washington Park is 20% worse than the national average

Compare Washington Park, IL Weather

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      Washington Park 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
      January28°F43°F35°F11.3"
      February26°F43°F33°F3.1"
      March39°F61°F49°F5.3"
      April45°F68°F56°F5.9"
      May56°F80°F68°F4.4"
      June65°F88°F76°F4.0"
      July67°F88°F77°F9.1"
      August69°F91°F79°F7.4"
      September60°F84°F71°F8.8"
      October48°F72°F59°F4.0"
      November37°F59°F47°F8.5"
      December27°F42°F34°F3.1"

      Washington Park 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.
      IndexWashington ParkIllinoisNational
      Air quality index544150
      Pollution index6,055,6403,347,2955,066,862

      Washington Park air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Washington Park air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.100%
      Mercury0.230%

      Average monthly Washington Park temperature with heat index

      Washington Park monthly precipitation with daily maximum

      Washington Park monthly snow depth with daily maximum

      Washington Park monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Black Jack, MO6,956548%
      Glen Carbon, IL12,782548%
      Roxana, IL1,800548%
      Brooklyn, IL740548%
      Rentchler, IL6548%
      Washington Park, IL4,029548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Scandia, MN4,029468%
      Rigby, ID4,0284314%
      Adel, IA4,0303922%
      Dannemora, NY4,0273726%
      Carlisle, IA4,0313922%
      Washington Park, IL4,029548%
      Source: The Washington Park, 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.