TODAY MAR29
TEMPERATURE50
HUMIDITY50
PRESSURE101390
WIND COND.300 5.4
  • 6240Fri
  • 6751Sat30%
  • 7048Sun
  • 6048Mon50%60%
  • 6848Tue60%50%
daynightWeather update from Quantico Marine Corps Airfield - Turner Field at
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Weather Quick Facts

  • The highest monthly average temperature in Dale City for July is 78.1 degrees
  • The lowest monthly average temperature in Dale City for January is 35 degrees
  • The most monthly precipitation in Dale City occurs in September with 11.4 inches
  • The air quality index in Dale City is 12% worse than the national average
  • The pollution index in Dale City is 81% better than the national average

Compare Dale City, VA Weather

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      Dale City 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
      January26°F45°F35°F4.6"
      February27°F48°F37°F4.1"
      March36°F59°F47°F5.4"
      April45°F70°F57°F6.6"
      May54°F77°F66°F7.2"
      June63°F86°F74°F10.2"
      July67°F89°F78°F8.7"
      August66°F87°F76°F7.4"
      September59°F81°F69°F11.4"
      October48°F70°F58°F8.8"
      November37°F59°F47°F5.7"
      December31°F50°F40°F5.9"

      Dale City 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.
      IndexDale CityVirginiaNational
      Air quality index475842
      Pollution index520,9361,561,8812,726,193

      Dale City 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

      Dale City air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.050%
      Mercury0.001%

      Average monthly Dale City temperature with heat index

      Dale City monthly precipitation with daily maximum

      Dale City monthly snow depth with daily maximum

      Dale City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Occoquan, VA1,053476.0%
      Woodbridge, VA42,517476.0%
      Fair Lakes, VA8,398476.0%
      Mantua, VA7,784476.0%
      Wakefield town, VA810476.0%
      Dale City, VA72,062476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Decatur, IL71,8574412.0%
      Frederick, MD71,8434020.0%
      Lauderhill, FL71,8274118.0%
      Pawtucket, RI71,8214412.0%
      Pittsburg, CA71,7234020.0%
      Dale City, VA72,062476.0%
      Source: The Dale City, 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.