TODAY JUL16
TEMPERATURE79
HUMIDITY79
PRESSURE30.15
WIND COND.120 16.6
  • 9074Thu20%20%
  • 9475Fri20%60%
  • 9576Sat40%40%
  • 9777Sun30%30%
  • 9877Mon30%30%
daynightWeather update from Washington/Reagan National Airport, DC at

Key findings

  • The highest monthly average temperature in Potomac West for July is 81 degrees
  • The lowest monthly average temperature in Potomac West for January is 37 degrees
  • The most monthly precipitation in Potomac West occurs in June with 5.3 inches
  • The air quality index in Potomac West is 5% better than the national average
  • The pollution index in Potomac West is 45% better than the national average

Compare Alexandria, VA Weather

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      Potomac West 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"

      Potomac West 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.
      IndexPotomac WestAlexandriaVirginia
      Air quality index474758
      Pollution index2,776,5902,776,5901,533,792

      Potomac West 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

      Potomac West air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.030%

      Average monthly Potomac West temperature with heat index

      Potomac West monthly precipitation with daily maximum

      Potomac West monthly snow depth with daily maximum

      Potomac West monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cabin John, MD1,958476%
      Cheverly, MD6,390476%
      Chevy Chase Section Three, MD733476%
      Clinton, MD39,256476%
      Cottage City, MD1,209476%
      Alexandria, VA151,473476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Pomona, CA151,8078978%
      Escondido, CA149,9126428%
      Lakewood, CO149,7935816%
      Kansas City, KS149,755476%
      Pasadena, TX153,286524%
      Alexandria, VA151,473476%
      Source: The Potomac West, Alexandria, 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.