TODAY NOV07
TEMPERATURE79
HUMIDITY48
PRESSURE101800
WIND COND.350 11.2
  • 7442Fri
  • 5936Sat
  • 5749Sun80%
  • 724460%
  • 6337Tue
daynightWeather update from Warrenton-Fauquier Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Opal for July is 78.3 degrees
  • The lowest monthly average temperature in Opal for January is 33.3 degrees
  • The most monthly precipitation in Opal occurs in May with 9.6 inches
  • The air quality index in Opal is 10% better than the national average
  • The pollution index in Opal is 56% better than the national average

Compare Opal, VA Weather

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      Opal 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
      January25°F43°F33°F4.8"
      February29°F50°F39°F2.7"
      March38°F61°F49°F3.7"
      April45°F72°F57°F2.2"
      May56°F78°F66°F9.6"
      June63°F86°F74°F3.7"
      July67°F91°F78°F7.3"
      August65°F88°F76°F3.9"
      September57°F81°F68°F6.9"
      October45°F69°F56°F8.0"
      November36°F59°F46°F5.1"
      December30°F50°F39°F3.8"

      Opal 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.
      IndexOpalVirginiaNational
      Air quality index385842
      Pollution index1,198,9901,561,8812,726,193

      Opal air quality

      MeasurementTotal
      Days measured365
      Days with good air quality333
      Days with moderate air quality32
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Opal temperature with heat index

      Opal monthly precipitation with daily maximum

      Opal monthly snow depth with daily maximum

      Opal monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bealeton, VA3,9643824.0%
      Remington, VA6423824.0%
      New Baltimore, VA11,0173824.0%
      Warrenton, VA9,9283824.0%
      Culpeper, VA18,6334020.0%
      Opal, VA6903824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McRae, AR6904510.0%
      Willow Valley, AZ6901374.0%
      Wabasso, FL6903628.0%
      Avon, IL6904118.0%
      Beverly Shores, IN6903726.0%
      Opal, VA6903824.0%
      Source: The Opal, 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.