TODAY DEC22
TEMPERATURE28
HUMIDITY47
PRESSURE103320
WIND COND.350 11.2
  • 4029Mon
  • 4833Tue
  • 4833
  • 4934Thu
  • 5037Fri
daynightWeather update from Melfa / Accomack Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Onley for July is 79 degrees
  • The lowest monthly average temperature in Onley for January is 39.9 degrees
  • The most monthly precipitation in Onley occurs in May with 11.8 inches
  • The air quality index in Onley is 3% better than the national average
  • The pollution index in Onley is 23% better than the national average

Compare Onley, VA Weather

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      Onley 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
      January33°F48°F40°F5.9"
      February33°F50°F41°F3.9"
      March40°F58°F48°F8.0"
      April49°F68°F58°F4.6"
      May58°F76°F66°F11.8"
      June67°F84°F75°F6.6"
      July72°F88°F79°F7.6"
      August69°F86°F77°F7.9"
      September64°F80°F71°F9.6"
      October53°F72°F62°F8.0"
      November43°F60°F51°F3.5"
      December37°F53°F45°F7.3"

      Onley 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.
      IndexOnleyVirginiaNational
      Air quality index415842
      Pollution index2,109,8501,561,8812,726,193

      Onley air quality

      MeasurementTotal
      Days measured365
      Days with good air quality304
      Days with moderate air quality58
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.001%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Onley temperature with heat index

      Onley monthly precipitation with daily maximum

      Onley monthly snow depth with daily maximum

      Onley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Temperanceville, VA1653628.0%
      Mappsville, VA5363628.0%
      Atlantic, VA5613628.0%
      Hallwood, VA2643628.0%
      Modest Town, VA2243628.0%
      Onley, VA7354118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      West Point, IA7352942.0%
      Ringwood, IL7353922.0%
      Belfield, ND7353334.0%
      Angel Fire, NM7351570.0%
      Flint Creek, OK7353628.0%
      Onley, VA7354118.0%
      Source: The Onley, 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.