TODAY JUN18
TEMPERATURE88
HUMIDITY73
PRESSURE29.99
WIND COND.170 9.2
  • 9372Tue50%
  • 8670Wed30%50%
  • 8567Thu30%30%
  • 8468Fri30%
  • 8672Sat40%40%
daynightWeather update from Quantico Marine Corps Airfield - Turner Field at

Port Royal 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
January10°F77°F41°Fn/a
February7°F79°F39°Fn/a
March18°F88°F49°Fn/a
April27°F88°F58°Fn/a
May34°F97°F65°Fn/a
June50°F99°F75°Fn/a
July55°F102°F79°Fn/a
August57°F104°F79°Fn/a
September45°F97°F71°Fn/a
October30°F97°F61°Fn/a
November19°F82°F50°Fn/a
December16°F79°F41°Fn/a

Did you know?

  • The highest monthly average temperature in Port Royal for August is 79 degrees.
  • The lowest monthly average temperature in Port Royal for February is 39 degrees.
  • The most monthly precipitation in Port Royal occurs in January with 0 inches.
  • The air quality index in Port Royal is 21% better than the national average.
  • The pollution index in Port Royal is 87% better than the national average.

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Compare Port Royal, VA Weather To Other Cities

Port Royal 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.
IndexPort RoyalVirginiaNational
Air quality index395850
Pollution index658,4821,533,7925,066,862

Port Royal air quality information

MeasurementTotal
Days measured365
Days with good air quality298
Days with moderate air quality66
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Port Royal air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.004%
Mercury0.010%

Average monthly Port Royal temperature with heat index

Port Royal monthly precipitation with daily maximum

Port Royal monthly snow depth with daily maximum

Port Royal monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Long Branch, VA7,6923922%
Bowling Green, VA1,2393922%
Dahlgren, VA3,249492%
King George, VA5,092492%
Dahlgren Center, VA554492%
Port Royal, VA1853922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gardners, PA1854314%
Lucas, IA1854118%
Eden, WY1854216%
Twining, MI185285470%
Kickapoo Tribal Center, KS1854510%
Port Royal, VA1853922%
Source: The Port Royal, 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.