TODAY FEB28
TEMPERATURE35
HUMIDITY96
PRESSURE29.65
WIND COND.230 18.4
  • 249Mon
  • 3825Tue
  • 4124Wed
  • 4425Thu
  • 4023Fri
daynightWeather update from Preston, Fillmore County Airport at

Key findings

  • The highest monthly average temperature in Chester for July is 71 degrees
  • The lowest monthly average temperature in Chester for January is 17 degrees
  • The most monthly precipitation in Chester occurs in June with 4.7 inches
  • The air quality index in Chester is 28% better than the national average
  • The pollution index in Chester is 74% better than the national average

Compare Chester, IA Weather

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      Chester 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
      January10°F25°F17°F0.5"
      February12°F27°F19°F0.7"
      March26°F42°F33°F1.9"
      April38°F57°F46°F3.6"
      May49°F69°F58°F4.3"
      June59°F78°F67°F4.7"
      July62°F81°F71°F2.9"
      August60°F79°F69°F2.9"
      September53°F73°F62°F4.0"
      October41°F60°F49°F3.1"
      November29°F45°F36°F1.4"
      December16°F29°F22°F1.4"

      Chester 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.
      IndexChesterIowaNational
      Air quality index363950
      Pollution index1,320,0501,643,8365,066,862

      Chester air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality313
      Days with moderate air quality51
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Chester air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.010%

      Average monthly Chester temperature with heat index

      Chester monthly precipitation with daily maximum

      Chester monthly snow depth with daily maximum

      Chester monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      New Haven, IA841570%
      McIntire, IA1201570%
      Riceville, IA8341570%
      Taopi, MN503628%
      Lime Springs, IA4863628%
      Chester, IA2633628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      New Ringgold, PA2634216%
      Marion, OR2632844%
      East Gillespie, IL263548%
      Magnetic Springs, OH263468%
      Elk City, KS2633824%
      Chester, IA2633628%
      Source: The Chester, IA 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.