TODAY JUL21
TEMPERATURE69
HUMIDITY90
PRESSURE29.85
WIND COND.20 18.3
  • 8073Sun40%70%
  • 8273Mon60%80%
  • 8473Tue80%80%
  • 8372Wed70%70%
  • 8471Thu80%80%
daynightWeather update from Washington/Reagan National Airport, DC at

Old Diminion Average Weather

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
January8°F73°F38°F2.7"
February10°F74°F38°F2.2"
March14°F85°F46°F2.6"
April28°F92°F57°F4.1"
May38°F95°F65°F5.7"
June54°F98°F75°F5.8"
July62°F98°F79°F3.1"
August61°F102°F79°F2.1"
September50°F95°F72°F3.3"
October37°F94°F60°F5.7"
November21°F77°F50°F3.1"
December16°F75°F40°F3.7"

Did you know?

  • The highest monthly average temperature in Old Diminion for August is 79 degrees.
  • The lowest monthly average temperature in Old Diminion for February is 38 degrees.
  • The most monthly precipitation in Old Diminion occurs in June with 5.8 inches.
  • The air quality index in Old Diminion is 1% better than the national average.
  • The pollution index in Old Diminion is 95% better than the national average.

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Compare Arlington, VA Weather To Other Cities

Old Diminion 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.
IndexOld DiminionArlingtonVirginia
Air quality index494958
Pollution index208,434208,4341,533,792

Old Diminion air quality information

MeasurementTotal
Days measured365
Days with good air quality194
Days with moderate air quality166
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Old Diminion air quality information

PollutantTotal
Arsenic0.003%
Benzene0.002%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.000%

Average monthly Old Diminion temperature with heat index

Old Diminion monthly precipitation with daily maximum

Old Diminion monthly snow depth with daily maximum

Old Diminion monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Andrews AFB, MD3,336492%
Bethesda, MD62,608492%
Brookmont, MD3,810492%
Capitol Heights, MD4,489492%
Chevy Chase Section Five, MD641492%
Arlington, VA226,092492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gilbert, AZ226,8327448%
Fremont, CA227,934484%
Baton Rouge, LA228,694468%
Paradise, NV229,666548%
North Las Vegas, NV230,436548%
Arlington, VA226,092492%
Source: The Old Diminion, 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.