TODAY MAY20
TEMPERATURE70
HUMIDITY79
PRESSURE101360
WIND COND.200 13
  • 9170Tue20%40%
  • 8053Wed50%20%
  • 7755Thu
  • 8059Fri
  • 8060Sat
daynightWeather update from Greater Kankakee Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Brook for July is 74.5 degrees
  • The lowest monthly average temperature in Brook for January is 25.5 degrees
  • The most monthly precipitation in Brook occurs in August with 9.8 inches
  • The air quality index in Brook is equal to the national average
  • The pollution index in Brook is 26% better than the national average

Compare Brook, IN Weather

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      Brook 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
      January18°F34°F25°F3.2"
      February19°F36°F27°F2.6"
      March32°F51°F40°F3.2"
      April41°F64°F51°F5.2"
      May51°F74°F62°F5.3"
      June61°F83°F71°F9.7"
      July64°F86°F74°F5.3"
      August62°F84°F73°F9.8"
      September55°F79°F66°F6.1"
      October44°F65°F54°F7.0"
      November34°F52°F42°F3.8"
      December24°F38°F31°F3.7"

      Brook 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.
      IndexBrookIndianaNational
      Air quality index425642
      Pollution index2,020,4302,719,4532,726,193

      Brook air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality276
      Days with moderate air quality89
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Brook air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.090%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.001%

      Average monthly Brook temperature with heat index

      Brook monthly precipitation with daily maximum

      Brook monthly snow depth with daily maximum

      Brook monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Goodland, IN1,0374216.0%
      Remington, IN1,4034216.0%
      Earl Park, IN3534216.0%
      Kentland, IN1,8094216.0%
      Rensselaer, IN6,1514216.0%
      Brook, IN1,0004216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Green Valley CDP (Los Angeles County), CA1,0003530.0%
      Whitehall, MT1,0002060.0%
      Adams Center, NY1,0003530.0%
      New Washington, OH1,0004118.0%
      Brushy, OK1,0003628.0%
      Brook, IN1,0004216.0%
      Source: The Brook, IN 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.