TODAY OCT31
TEMPERATURE79
HUMIDITY45
PRESSURE101800
WIND COND.190 20.5
  • 7946Fri40%
  • 6342Sat
  • 6348Sun
  • 6857Mon
  • 7765Tue
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Donaldson Run for July is 80.8 degrees
  • The lowest monthly average temperature in Donaldson Run for January is 37.1 degrees
  • The most monthly precipitation in Donaldson Run occurs in June with 5.3 inches
  • The air quality index in Donaldson Run is 12% worse than the national average
  • The pollution index in Donaldson Run is 92% better than the national average

Compare Arlington, VA Weather

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      Donaldson Run 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"

      Donaldson Run 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.
      IndexDonaldson RunArlingtonVirginia
      Air quality index474758
      Pollution index208,434208,4341,561,881

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

      Average monthly Donaldson Run temperature with heat index

      Donaldson Run monthly precipitation with daily maximum

      Donaldson Run monthly snow depth with daily maximum

      Donaldson Run monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Wakefield town, VA810476.0%
      Falls Church, VA14,309476.0%
      Hybla Valley, VA18,438476.0%
      Lincolnia, VA22,579476.0%
      Ravensworth, VA2,841476.0%
      Arlington, VA236,434476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fremont, CA234,8294314.0%
      Garland, TX238,622512.0%
      Hialeah, FL233,8764118.0%
      Irving, TX240,475512.0%
      Regina, SK241,465n/a 
      Arlington, VA236,434476.0%
      Source: The Donaldson Run, 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.