TODAY JUL16
TEMPERATURE79
HUMIDITY65
PRESSURE30.14
WIND COND.110 5.4
  • 8973Thu20%20%
  • 9374Fri20%60%
  • 9375Sat40%40%
  • 9677Sun30%
  • 9877Mon30%30%
daynightWeather update from College Park Airport at

Key findings

  • The highest monthly average temperature in Brentwood for July is 81 degrees
  • The lowest monthly average temperature in Brentwood for January is 37 degrees
  • The most monthly precipitation in Brentwood occurs in June with 5.3 inches
  • The air quality index in Brentwood is 5% better than the national average
  • The pollution index in Brentwood is 10% worse than the national average

Compare Washington, DC Weather

      vs
      How would you rate the weather in Brentwood?
      Write a review to give others more information about this area.
      How would you rate the air quality in Brentwood?
      Write a review to give others more information about this area.
      See all Brentwood poll results

      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.
      IndexBrentwoodWashingtonDistrict of Columbia
      Air quality index474749
      Pollution index5,554,0105,554,0105,554,010

      Brentwood 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

      Brentwood air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Maryland City, MD17,647468%
      Fort Meade, MD9,730468%
      North Laurel, MD23,590468%
      Aspen Hill, MD52,028476%
      Bladensburg, MD9,505476%
      Washington, DC659,009476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Boston, MA658,2794314%
      Memphis, TN655,8574510%
      Denver, CO663,3035816%
      Seattle, WA668,8494510%
      Nashville, TN643,7714510%
      Washington, DC659,009476%
      Source: The Brentwood, Washington, DC 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.