TODAY DEC27
TEMPERATURE50
HUMIDITY54
PRESSURE102000
WIND COND.80 11.2
  • 6148Sat30%60%
  • 6242Sun100%100%
  • 4937Mon80%
  • 5136Tue50%90%
  • 412880%50%
daynightWeather update from Pittsburgh International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rosslyn Farms for July is 73.5 degrees
  • The lowest monthly average temperature in Rosslyn Farms for January is 29.1 degrees
  • The most monthly precipitation in Rosslyn Farms occurs in July with 4.5 inches
  • The air quality index in Rosslyn Farms is 33% worse than the national average
  • The pollution index in Rosslyn Farms is 39% better than the national average

Compare Rosslyn Farms, PA Weather

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      Rosslyn Farms 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
      January20°F39°F29°F2.9"
      February20°F40°F30°F2.5"
      March30°F53°F40°F3.3"
      April40°F66°F53°F3.2"
      May49°F75°F62°F4.1"
      June59°F82°F70°F4.3"
      July62°F85°F73°F4.5"
      August61°F84°F72°F3.5"
      September54°F78°F66°F3.0"
      October44°F66°F54°F3.6"
      November33°F55°F43°F2.6"
      December26°F43°F34°F3.6"

      Rosslyn Farms 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.
      IndexRosslyn FarmsPennsylvaniaNational
      Air quality index564542
      Pollution index1,675,0604,584,8052,726,193

      Rosslyn Farms 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%
      Lead0.001%
      Mercury0.000%

      Average monthly Rosslyn Farms temperature with heat index

      Rosslyn Farms monthly precipitation with daily maximum

      Rosslyn Farms monthly snow depth with daily maximum

      Rosslyn Farms monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Baden, PA3,911688.0%
      Aliquippa, PA8,918688.0%
      Bulger, PA412468.0%
      Clinton, PA1,049468.0%
      Westland, PA45468.0%
      Rosslyn Farms, PA4305612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bellflower, IL4304216.0%
      Chandlerville, IL4304020.0%
      Hope, KS4303236.0%
      Friendsville, MD4303628.0%
      Gunnison, MS4304314.0%
      Rosslyn Farms, PA4305612.0%
      Source: The Rosslyn Farms, 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.