TODAY NOV09
TEMPERATURE57
HUMIDITY38
PRESSURE102340
WIND COND.100 13
  • 6444Sun100%60%
  • 6138
  • 5434Tue
  • 5746Wed60%
  • 5938Thu60%
daynightWeather update from Columbus, Bolton Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Southwest for July is 75.5 degrees
  • The lowest monthly average temperature in Southwest for January is 30.1 degrees
  • The most monthly precipitation in Southwest occurs in July with 4.8 inches
  • The air quality index in Southwest is 9% worse than the national average
  • The pollution index in Southwest is 691% worse than the national average

Compare Columbus, OH Weather

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      Southwest 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
      January22°F40°F30°F3.2"
      February22°F41°F31°F2.6"
      March32°F54°F42°F4.4"
      April42°F68°F55°F3.8"
      May52°F76°F64°F3.6"
      June61°F85°F73°F4.8"
      July65°F87°F76°F4.8"
      August64°F86°F75°F3.7"
      September57°F80°F68°F3.6"
      October45°F68°F56°F3.9"
      November34°F56°F44°F2.7"
      December27°F44°F35°F3.9"

      Southwest 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.
      IndexSouthwestColumbusOhio
      Air quality index464640
      Pollution index21,574,80021,574,8004,472,386

      Southwest air quality

      MeasurementTotal
      Days measured365
      Days with good air quality237
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.230%
      Carbon Tetrachloride0.100%
      Lead0.190%
      Mercury0.010%

      Average monthly Southwest temperature with heat index

      Southwest monthly precipitation with daily maximum

      Southwest monthly snow depth with daily maximum

      Southwest monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Sterling, OH2,0233824.0%
      Darbyville, OH2063824.0%
      Grandview Heights, OH8,254468.0%
      Minerva Park, OH1,372468.0%
      Upper Arlington, OH35,364468.0%
      Columbus, OH889,079468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Worth, TX892,221512.0%
      Jacksonville, FL902,4884314.0%
      San Francisco, CA874,7844020.0%
      Charlotte, NC873,570492.0%
      Indianapolis, IN869,387548.0%
      Columbus, OH889,079468.0%
      Source: The Southwest, Columbus, OH 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.