TODAY NOV21
TEMPERATURE31
HUMIDITY74
PRESSURE100950
WIND COND.
  • 4533Fri
  • 4633Sat
  • 5342Sun
  • 4925Mon
  • 3724Tue
daynightWeather update from Pontiac Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Streator for July is 74.7 degrees
  • The lowest monthly average temperature in Streator for January is 26.6 degrees
  • The most monthly precipitation in Streator occurs in July with 10.4 inches
  • The air quality index in Streator is 100% better than the national average
  • The pollution index in Streator is 36% better than the national average

Compare Streator, IL Weather

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      Streator 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
      January19°F35°F27°F3.7"
      February20°F37°F28°F2.9"
      March33°F52°F41°F4.7"
      April42°F66°F53°F5.6"
      May54°F76°F64°F6.5"
      June63°F84°F73°F7.6"
      July65°F85°F75°F10.4"
      August62°F83°F72°F7.8"
      September55°F79°F66°F7.6"
      October44°F66°F54°F4.3"
      November34°F53°F42°F5.5"
      December24°F39°F31°F3.5"

      Streator 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.
      IndexStreatorIllinoisNational
      Air quality index04142
      Pollution index1,736,9303,148,6942,726,193

      Streator air quality

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Streator temperature with heat index

      Streator monthly precipitation with daily maximum

      Streator monthly snow depth with daily maximum

      Streator monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cornell, IL4280100.0%
      Grand Ridge, IL6500100.0%
      Marseilles, IL4,5790100.0%
      Seneca, IL2,5340100.0%
      Dana, IL990100.0%
      Streator, IL12,3370100.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lincolnwood, IL12,3385510.0%
      Gulfport, FL12,3343824.0%
      New Baltimore, MI12,3335612.0%
      St. Marys, PA12,3333530.0%
      Goldenrod, FL12,3413922.0%
      Streator, IL12,3370100.0%
      Source: The Streator, 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.