TODAY MAR04
TEMPERATURE46
HUMIDITY49
PRESSURE29.93
WIND COND.320 20.5
  • 4528Fri
  • 4527Sat
  • 4629Sun
  • 5536Mon
  • 6341Tue
daynightWeather update from Washington/Reagan National Airport, DC at

Key findings

  • The highest monthly average temperature in Forest Glen for July is 81 degrees
  • The lowest monthly average temperature in Forest Glen for January is 37 degrees
  • The most monthly precipitation in Forest Glen occurs in June with 5.3 inches
  • The air quality index in Forest Glen is 5% better than the national average
  • The pollution index in Forest Glen is 96% better than the national average

Compare Arlington, VA Weather

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      Forest Glen 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Forest Glen 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.
      IndexForest GlenArlingtonVirginia
      Air quality index474758
      Pollution index208,434208,4341,533,792

      Forest Glen air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Forest Glen air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.002%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Forest Glen temperature with heat index

      Forest Glen monthly precipitation with daily maximum

      Forest Glen monthly snow depth with daily maximum

      Forest Glen monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Brandywine, MD9,681476%
      South Laurel, MD26,952476%
      Clinton, MD39,256476%
      Glassmanor, MD17,608476%
      Oxon Hill, MD18,397476%
      Arlington, VA226,092476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Gilbert, AZ226,8327448%
      Fremont, CA227,9344314%
      Baton Rouge, LA228,6944510%
      Paradise, NV229,666548%
      North Las Vegas, NV230,436548%
      Arlington, VA226,092476%
      Source: The Forest Glen, Arlington, VA 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.