TODAY APR19
TEMPERATURE47
HUMIDITY71
PRESSURE102300
WIND COND.80 9.4
  • 5741Sat90%20%
  • 5844Sun
  • 5941Mon
  • 5743Tue
  • 5636Wed30%40%
daynightWeather update from Chatham, Chatham Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Harwich Center for July is 71.9 degrees
  • The lowest monthly average temperature in Harwich Center for February is 32.7 degrees
  • The most monthly precipitation in Harwich Center occurs in October with 4.9 inches
  • The air quality index in Harwich Center is 14% better than the national average
  • The pollution index in Harwich Center is 190% worse than the national average

Compare Harwich Center, MA Weather

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      Harwich Center 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
      January26°F41°F33°F4.1"
      February25°F40°F33°F4.0"
      March31°F45°F38°F3.9"
      April40°F55°F47°F3.7"
      May49°F64°F55°F3.8"
      June57°F72°F64°F3.5"
      July65°F80°F72°F3.4"
      August63°F79°F71°F3.8"
      September58°F73°F65°F3.5"
      October49°F63°F56°F4.9"
      November39°F54°F47°F4.3"
      December31°F46°F39°F4.6"

      Harwich Center 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.
      IndexHarwich CenterMassachusettsNational
      Air quality index364042
      Pollution index7,903,8308,399,6102,726,193

      Harwich Center air quality information

      MeasurementTotal
      Days measured359
      Days with good air quality348
      Days with moderate air quality11
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Harwich Center air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.070%
      Carbon Tetrachloride0.010%
      Lead0.080%
      Mercury0.030%

      Average monthly Harwich Center temperature with heat index

      Harwich Center monthly precipitation with daily maximum

      Harwich Center monthly snow depth with daily maximum

      Harwich Center monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      West Chatham, MA1,2243628.0%
      Dennis, MA1,9623628.0%
      Harwich Port, MA1,9063628.0%
      Yarmouth Port, MA5,2023628.0%
      Barnstable Town, MA44,4973628.0%
      Harwich Center, MA1,3833628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Highfill, AR1,3834412.0%
      Monrovia, IN1,383548.0%
      Bel Air CDP, MD1,383468.0%
      Coldstream, OH1,383548.0%
      Tiltonsville, OH1,3833922.0%
      Harwich Center, MA1,3833628.0%
      Source: The Harwich Center, 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.