TODAY NOV24
TEMPERATURE45
HUMIDITY56
PRESSURE100950
WIND COND.280 18.4
  • 4933Mon
  • 4831Tue90%
  • 4430Wed
  • 433150%50%
  • 4225Fri30%
daynightWeather update from Westfield, Barnes Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chester for July is 73.3 degrees
  • The lowest monthly average temperature in Chester for January is 26.3 degrees
  • The most monthly precipitation in Chester occurs in October with 5.9 inches
  • The air quality index in Chester is 12% better than the national average
  • The pollution index in Chester is 188% worse than the national average

Compare Chester, MA 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
      January17°F36°F26°F3.0"
      February17°F38°F27°F2.8"
      March26°F47°F36°F3.4"
      April37°F63°F49°F4.1"
      May47°F73°F59°F4.0"
      June56°F80°F68°F5.8"
      July62°F86°F73°F4.8"
      August59°F84°F71°F4.4"
      September53°F77°F64°F3.7"
      October42°F65°F52°F5.9"
      November31°F53°F41°F3.0"
      December23°F41°F32°F4.2"

      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.
      IndexChesterMassachusettsNational
      Air quality index374042
      Pollution index7,859,3608,399,6102,726,193

      Chester air quality

      MeasurementTotal
      Days measured364
      Days with good air quality320
      Days with moderate air quality44
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.030%
      Lead0.320%
      Mercury0.070%

      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

      CityPopulationAir Quality IndexNational Avg.
      Pittsfield, MA42,5143726.0%
      Lee, MA1,5083726.0%
      Huntington, MA6754020.0%
      Russell, MA6584020.0%
      Blandford, MA3384020.0%
      Chester, MA9353726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coosada, AL935524.0%
      Phil Campbell, AL9353726.0%
      Houck, AZ9351766.0%
      Baxter, IA9353726.0%
      Mazeppa, MN9353628.0%
      Chester, MA9353726.0%
      Source: The Chester, MA 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.