TODAY NOV04
TEMPERATURE62
HUMIDITY52
PRESSURE102980
WIND COND.200 13
  • 7460Tue
  • 8062Wed
  • 7350Thu
  • 6849Fri
  • 6446Sat
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Brentwood for July is 80.8 degrees
  • The lowest monthly average temperature in Brentwood for January is 37.1 degrees
  • The most monthly precipitation in Brentwood occurs in June with 5.3 inches
  • The air quality index in Brentwood is 12% worse than the national average
  • The pollution index in Brentwood is 104% worse than the national average

Compare Brentwood, MD Weather

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      Brentwood 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"

      Brentwood 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.
      IndexBrentwoodMarylandNational
      Air quality index474342
      Pollution index5,554,0105,342,3672,726,193

      Brentwood air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.004%
      Mercury0.010%

      Average monthly Brentwood temperature with heat index

      Brentwood monthly precipitation with daily maximum

      Brentwood monthly snow depth with daily maximum

      Brentwood monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Odenton, MD42,258468.0%
      Severn, MD53,374468.0%
      Jessup, MD10,458468.0%
      Maryland City, MD17,681468.0%
      Savage, MD6,849468.0%
      Brentwood, MD3,443476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Central Park, WA3,4422060.0%
      Placentia, NL3,442n/a 
      Park View, IA3,444468.0%
      Virden, IL3,4444020.0%
      Bullard, TX3,4443628.0%
      Brentwood, MD3,443476.0%
      Source: The Brentwood, 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.