TODAY NOV21
TEMPERATURE38
HUMIDITY73
PRESSURE100270
WIND COND.250 13
  • 4138Fri100%90%
  • 4835Sat90%40%
  • 5038Sun
  • 5837Mon30%70%
  • 4629Tue70%
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Boston for July is 73.5 degrees
  • The lowest monthly average temperature in Boston for January is 29.7 degrees
  • The most monthly precipitation in Boston occurs in July with 5.1 inches
  • The air quality index in Boston is 33% worse than the national average
  • The pollution index in Boston is 67% better than the national average

Compare Boston, PA Weather

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      Boston 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
      January22°F38°F30°F3.2"
      February23°F39°F30°F2.2"
      March32°F52°F41°F3.4"
      April43°F65°F53°F3.4"
      May52°F74°F62°F4.2"
      June60°F81°F70°F5.1"
      July64°F84°F73°F5.1"
      August63°F82°F72°F4.1"
      September56°F77°F66°F3.1"
      October46°F65°F54°F3.8"
      November35°F54°F44°F2.8"
      December28°F43°F35°F3.7"

      Boston 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.
      IndexBostonPennsylvaniaNational
      Air quality index564542
      Pollution index889,8084,584,8052,726,193

      Boston air quality

      MeasurementTotal
      Days measured365
      Days with good air quality129
      Days with moderate air quality220
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury0.030%

      Average monthly Boston temperature with heat index

      Boston monthly precipitation with daily maximum

      Boston monthly snow depth with daily maximum

      Boston monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Pleasant, PA4,2553628.0%
      Scottdale, PA4,1163628.0%
      South Greensburg, PA2,2485612.0%
      Upper St. Clair, PA19,5215612.0%
      Greensburg, PA14,2395612.0%
      Boston, PA2875612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bowles, CA2876020.0%
      Iroquois, IL2874216.0%
      Mentor, KY287548.0%
      Parsonsburg, MD2873628.0%
      Pecktonville, MD2874020.0%
      Boston, PA2875612.0%
      Source: The Boston, PA 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.