TODAY JUL20
TEMPERATURE82
HUMIDITY43
PRESSURE30.04
WIND COND.130 11.4
  • 7466Sat90%80%
  • 8273Sun50%60%
  • 8374Mon80%80%
  • 8473Tue70%70%
  • 8372Wed60%60%
daynightWeather update from Washington/Reagan National Airport, DC at

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

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Compare Arlington, VA Weather To Other Cities

Glencarlyn 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.
IndexGlencarlynArlingtonVirginia
Air quality index494958
Pollution index208,434208,4341,533,792

Glencarlyn 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

Glencarlyn air quality information

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

Average monthly Glencarlyn temperature with heat index

Glencarlyn monthly precipitation with daily maximum

Glencarlyn monthly snow depth with daily maximum

Glencarlyn monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Kemp Mill, MD12,717492%
Landover Hills, MD1,890492%
Morningside, MD1,436492%
North Bethesda, MD49,971492%
Oxon Hill, MD18,397492%
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 Glencarlyn, 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.