TODAY APR15
TEMPERATURE65
HUMIDITY37
PRESSURE100880
WIND COND.290 24.1
  • 6637Tue
  • 6041Wed
  • 5239Thu30%
  • 5645Fri40%
  • 6141Sat40%30%
daynightWeather update from Laurence G Hanscom Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lexington for August is 72.2 degrees
  • The lowest monthly average temperature in Lexington for February is 25.5 degrees
  • The most monthly precipitation in Lexington occurs in October with 9.5 inches
  • The air quality index in Lexington is 2% worse than the national average
  • The pollution index in Lexington is 177% worse than the national average

Compare Lexington, MA Weather

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      Lexington 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
      January19°F38°F27°F5.0"
      February16°F37°F25°F4.6"
      March24°F45°F34°F7.3"
      April36°F60°F47°F9.2"
      May45°F68°F56°F7.8"
      June56°F81°F67°F3.2"
      July61°F85°F72°F4.2"
      August61°F86°F72°F4.0"
      September53°F79°F65°F3.1"
      October45°F65°F54°F9.5"
      November31°F53°F41°F4.7"
      December20°F38°F29°F5.5"

      Lexington 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.
      IndexLexingtonMassachusettsNational
      Air quality index434042
      Pollution index7,556,3208,399,6102,726,193

      Lexington air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality291
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Lexington air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.010%
      Mercury0.040%

      Average monthly Lexington temperature with heat index

      Lexington monthly precipitation with daily maximum

      Lexington monthly snow depth with daily maximum

      Lexington monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lowell, MA111,3113726.0%
      Cordaville, MA2,8844020.0%
      Framingham, MA72,8464020.0%
      Maynard, MA10,9004020.0%
      Littleton Common, MA3,3704020.0%
      Lexington, MA33,3044314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hinesville, GA33,3043922.0%
      Holland, MI33,3293824.0%
      Springville, UT33,251468.0%
      Alabaster, AL33,373536.0%
      Prairieville, LA33,2284510.0%
      Lexington, MA33,3044314.0%
      Source: The Lexington, 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.