TODAY NOV25
TEMPERATURE40
HUMIDITY55
PRESSURE101190
WIND COND.270 14.8
  • 5039Mon
  • 5638Tue50%30%
  • 5040Wed
  • 543970%80%
  • 5033Fri30%
daynightWeather update from Chatham, Chatham Municipal Airport at
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Weather Quick Facts

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

Compare Harwich Port, MA Weather

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      Harwich Port 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 Port 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 PortMassachusettsNational
      Air quality index364042
      Pollution index7,903,8308,399,6102,726,193

      Harwich Port air quality

      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

      Air quality details

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

      Average monthly Harwich Port temperature with heat index

      Harwich Port monthly precipitation with daily maximum

      Harwich Port monthly snow depth with daily maximum

      Harwich Port monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Orleans, MA1,5193628.0%
      Brewster, MA1,3473628.0%
      East Harwich, MA4,7563628.0%
      West Yarmouth, MA6,3883628.0%
      West Chatham, MA1,2243628.0%
      Harwich Port, MA1,9063628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bernie, MO1,9062648.0%
      Goldthwaite, TX1,9064216.0%
      Frontenac Islands, ON1,906n/a 
      Northern Sunrise County, AB1,906n/a 
      Haines, AK1,9052060.0%
      Harwich Port, MA1,9063628.0%
      Source: The Harwich Port, 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.