TODAY APR14
TEMPERATURE60
HUMIDITY31
PRESSURE101520
WIND COND.280 7.6
  • 7760Sun20%
  • 7953Mon20%
  • 7657Tue
  • 7661Wed40%50%
  • 7754Thu30%
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Glassmanor for July is 80.8 degrees
  • The lowest monthly average temperature in Glassmanor for January is 37.1 degrees
  • The most monthly precipitation in Glassmanor occurs in June with 5.3 inches
  • The air quality index in Glassmanor is 12% worse than the national average
  • The pollution index in Glassmanor is 69% better than the national average

Compare Glassmanor, MD Weather

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      Glassmanor 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"

      Glassmanor 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.
      IndexGlassmanorMarylandNational
      Air quality index474342
      Pollution index849,1855,342,3672,726,193

      Glassmanor 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

      Glassmanor air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly Glassmanor temperature with heat index

      Glassmanor monthly precipitation with daily maximum

      Glassmanor monthly snow depth with daily maximum

      Glassmanor monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fort Washington, MD24,468476.0%
      National Harbor, MD3,998476.0%
      Belle Haven town, VA562476.0%
      Bowie, MD58,158476.0%
      Lanham, MD11,054476.0%
      Glassmanor, MD16,305476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      New River, AZ16,3037448.0%
      Aldine, TX16,308524.0%
      Somerton, AZ16,3014510.0%
      Lebanon, IN16,317548.0%
      Douglas, AZ16,2924510.0%
      Glassmanor, MD16,305476.0%
      Source: The Glassmanor, MD 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.