TODAY OCT22
TEMPERATURE57
HUMIDITY45
PRESSURE30.12
WIND COND.170 11.4
  • 6241Tue
  • 5336Wed
  • 5135Thu
  • 4939Fri40%
  • 4939Sat70%70%
daynightWeather update from Eastern WV Regional Airport/Shepherd Field at
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Antietam 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
January24°F43°F33°F2.3"
February25°F45°F34°F1.7"
March33°F56°F43°F2.9"
April42°F68°F55°F3.7"
May51°F76°F63°F4.5"
June60°F84°F72°F3.9"
July64°F88°F76°F3.3"
August62°F86°F74°F3.1"
September56°F80°F67°F3.3"
October45°F68°F56°F4.2"
November35°F57°F45°F2.4"
December28°F47°F37°F3.2"

Did you know?

  • The highest monthly average temperature in Antietam for July is 76 degrees.
  • The lowest monthly average temperature in Antietam for January is 33 degrees.
  • The most monthly precipitation in Antietam occurs in May with 4.5 inches.
  • The air quality index in Antietam is 17% better than the national average.
  • The pollution index in Antietam is 220% worse than the national average.

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Antietam 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.
IndexAntietamMarylandNational
Air quality index414350
Pollution index16,230,7006,283,4705,066,862

Antietam air quality information

MeasurementTotal
Days measured363
Days with good air quality276
Days with moderate air quality84
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Antietam air quality information

PollutantTotal
Arsenic0.010%
Benzene0.130%
Carbon Tetrachloride0.090%
Lead0.080%
Mercury0.020%

Average monthly Antietam temperature with heat index

Antietam monthly precipitation with daily maximum

Antietam monthly snow depth with daily maximum

Antietam monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Shannondale, WV3,3193726%
Charles Town, WV5,6823726%
Hillsboro, VA983726%
Middleway, WV5503726%
Ranson, WV4,8303726%
Antietam, MD1374118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Camak, GA1374216%
Longview, IL1373628%
Glencoe, OH137476%
Arctic Village, AK1373726%
Bonita, LA1375612%
Antietam, MD1374118%
Source: The Antietam, MD 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.