TODAY AUG15
TEMPERATURE80
HUMIDITY76
PRESSURE29.86
WIND COND.220 9.2
  • 8371Thu
  • 8172Fri40%
  • 7966Sat50%30%
  • 7265Sun
  • 7466Mon
daynightWeather update from Chatham, Chatham Municipal Airport at

West Chatham Average Weather

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"

Did you know?

  • The highest monthly average temperature in West Chatham for July is 72 degrees.
  • The lowest monthly average temperature in West Chatham for February is 33 degrees.
  • The most monthly precipitation in West Chatham occurs in October with 4.9 inches.
  • The air quality index in West Chatham is 33% better than the national average.
  • The pollution index in West Chatham is 55% worse than the national average.

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Compare West Chatham, MA Weather To Other Cities

West Chatham 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.
IndexWest ChathamMassachusettsNational
Air quality index334050
Pollution index7,903,83012,377,8395,066,862

West Chatham air quality information

MeasurementTotal
Days measured317
Days with good air quality308
Days with moderate air quality7
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

West Chatham air quality information

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

Average monthly West Chatham temperature with heat index

West Chatham monthly precipitation with daily maximum

West Chatham monthly snow depth with daily maximum

West Chatham monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dennis, MA2,5073334%
Harwich Center, MA1,4233334%
Orleans, MA1,9373334%
West Yarmouth, MA6,0803334%
Dennis Port, MA2,6803334%
West Chatham, MA1,4513334%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Carbondale, KS1,4513628%
Walcott, IA1,4505510%
Sheridan, CA1,4504216%
Maple Bluff, WI1,4524216%
Minco, OK1,450476%
West Chatham, MA1,4513334%
Source: The West Chatham, 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.