TODAY APR23
TEMPERATURE56
HUMIDITY47
PRESSURE101290
WIND COND.
  • 6743Tue20%40%
  • 6845Wed
  • 7055Thu30%
  • 7766Fri80%70%
  • 8265Sat40%50%
daynightWeather update from St. Louis, Spirit Of St. Louis Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Weldon Spring Heights for July is 78.7 degrees
  • The lowest monthly average temperature in Weldon Spring Heights for January is 32.1 degrees
  • The most monthly precipitation in Weldon Spring Heights occurs in April with 5.3 inches
  • The air quality index in Weldon Spring Heights is 28% worse than the national average
  • The pollution index in Weldon Spring Heights is 12% worse than the national average

Compare Weldon Spring Heights, MO Weather

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      Weldon Spring Heights 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
      January23°F44°F32°F2.1"
      February25°F46°F35°F1.8"
      March36°F60°F47°F3.7"
      April46°F71°F58°F5.3"
      May55°F78°F66°F4.5"
      June65°F87°F76°F4.8"
      July68°F90°F79°F2.9"
      August66°F89°F77°F3.4"
      September58°F82°F69°F3.9"
      October46°F70°F57°F3.0"
      November36°F59°F46°F2.8"
      December27°F45°F35°F3.1"

      Weldon Spring Heights 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.
      IndexWeldon Spring HeightsMissouriNational
      Air quality index549742
      Pollution index3,042,5301,630,2552,726,193

      Weldon Spring Heights 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

      Weldon Spring Heights air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.001%

      Average monthly Weldon Spring Heights temperature with heat index

      Weldon Spring Heights monthly precipitation with daily maximum

      Weldon Spring Heights monthly snow depth with daily maximum

      Weldon Spring Heights monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Josephville, MO632548.0%
      Crystal Lake Park, MO440548.0%
      Westwood, MO314548.0%
      Bridgeton, MO11,577548.0%
      Ballwin, MO30,177548.0%
      Weldon Spring Heights, MO120548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Haleburg, AL1203530.0%
      Haynes, AR1204510.0%
      Pike, CA1204412.0%
      Nunez, GA120476.0%
      Makaha Valley, HI1203040.0%
      Weldon Spring Heights, MO120548.0%
      Source: The Weldon Spring Heights, 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.