TODAY NOV14
TEMPERATURE45
HUMIDITY56
PRESSURE102850
WIND COND.
  • 5345Thu90%
  • 5644Fri40%
  • 6240Sat
  • 6345Sun
  • 6845Mon
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in North Rosslyn for July is 80.8 degrees
  • The lowest monthly average temperature in North Rosslyn for January is 37.1 degrees
  • The most monthly precipitation in North Rosslyn occurs in June with 5.3 inches
  • The air quality index in North Rosslyn is 12% worse than the national average
  • The pollution index in North Rosslyn is 42% better than the national average

Compare Arlington, VA Weather

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      North Rosslyn 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"

      North Rosslyn 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.
      IndexNorth RosslynArlingtonVirginia
      Air quality index474758
      Pollution index1,590,970208,4341,561,881

      North Rosslyn 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 North Rosslyn temperature with heat index

      North Rosslyn monthly precipitation with daily maximum

      North Rosslyn monthly snow depth with daily maximum

      North Rosslyn monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Maryland City, MD17,681468.0%
      Pimmit Hills, VA6,064476.0%
      Seven Corners, VA9,041476.0%
      Woodlawn CDP (Carroll County), VA2,247476.0%
      Chevy Chase Section Five, MD757476.0%
      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 North Rosslyn, 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.