TODAY JAN16
TEMPERATURE39
HUMIDITY79
PRESSURE29.58
WIND COND.300 14.8
  • 4732Sun
  • 4429
  • 4532Tue
  • 4330Wed
  • 4835Thu30%30%
daynightWeather update from Washington/Reagan National Airport, DC at

Key findings

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

Compare Arlington, VA Weather

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      Columbia Forest 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"

      Columbia Forest 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.
      IndexColumbia ForestArlingtonVirginia
      Air quality index474758
      Pollution index208,434208,4341,533,792

      Columbia Forest 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

      Columbia Forest air quality information

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

      Average monthly Columbia Forest temperature with heat index

      Columbia Forest monthly precipitation with daily maximum

      Columbia Forest monthly snow depth with daily maximum

      Columbia Forest monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Calverton, MD18,429476%
      Melwood, MD3,239476%
      Fort Washington, MD23,895476%
      Marlow Heights, MD5,755476%
      Alexandria, VA151,473476%
      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 Columbia Forest, 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.