TODAY MAY10
TEMPERATURE70
HUMIDITY47
PRESSURE101390
WIND COND.280 11.2
  • 7654Sat
  • 8261Sun
  • 7360Mon50%90%
  • 7357Tue50%50%
  • 8061Wed40%
daynightWeather update from St. Louis Downtown Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Cheltenham for July is 78.8 degrees
  • The lowest monthly average temperature in Cheltenham for January is 32.5 degrees
  • The most monthly precipitation in Cheltenham occurs in April with 5.3 inches
  • The air quality index in Cheltenham is 28% worse than the national average
  • The pollution index in Cheltenham is 211% worse than the national average

Compare St. Louis, MO Weather

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      Cheltenham 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
      January24°F43°F32°F1.8"
      February26°F45°F34°F1.6"
      March37°F59°F47°F3.7"
      April47°F70°F58°F5.3"
      May56°F78°F67°F4.8"
      June65°F88°F76°F4.4"
      July68°F90°F79°F3.9"
      August66°F89°F77°F3.1"
      September58°F82°F69°F4.2"
      October47°F71°F58°F3.1"
      November36°F58°F46°F2.8"
      December29°F45°F36°F3.1"

      Cheltenham 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.
      IndexCheltenhamSt. LouisMissouri
      Air quality index545497
      Pollution index8,473,0508,473,0501,630,255

      Cheltenham 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

      Cheltenham air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.010%

      Average monthly Cheltenham temperature with heat index

      Cheltenham monthly precipitation with daily maximum

      Cheltenham monthly snow depth with daily maximum

      Cheltenham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pasadena Park, MO573548.0%
      Columbia, IL10,692548.0%
      Black Jack, MO6,930548.0%
      Mitchell, IL1,233548.0%
      Brooklyn, IL428548.0%
      St. Louis, MO304,709548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Paul, MN305,877468.0%
      Cincinnati, OH302,687548.0%
      Pittsburgh, PA301,2865612.0%
      Henderson, NV309,955548.0%
      Stockton, CA311,1034510.0%
      St. Louis, MO304,709548.0%
      Source: The Cheltenham, St. Louis, MO 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.