TODAY JUN20
TEMPERATURE75
HUMIDITY74
PRESSURE29.91
WIND COND.260 9.2
  • 7559Thu30%20%
  • 6960Fri80%60%
  • 7363Sat70%50%
  • 7558Sun40%30%
  • 7256Mon30%
daynightWeather update from Garrett County Airport at

Grantsville 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
January-9°F63°F24°Fn/a
February-2°F63°F28°Fn/a
March1°F68°F36°Fn/a
April23°F82°F48°Fn/a
May34°F82°F54°Fn/a
June43°F82°F65°Fn/a
July50°F82°F65°Fn/a
August46°F86°F66°Fn/a
September39°F82°F61°Fn/a
October30°F79°F51°Fn/a
November18°F68°F38°Fn/a
December-2°F64°F29°Fn/a

Did you know?

  • The highest monthly average temperature in Grantsville for August is 66 degrees.
  • The lowest monthly average temperature in Grantsville for January is 24 degrees.
  • The most monthly precipitation in Grantsville occurs in January with 0 inches.
  • The air quality index in Grantsville is 35% better than the national average.
  • The pollution index in Grantsville is 71% better than the national average.

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Compare Grantsville, MD Weather To Other Cities

Grantsville 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.
IndexGrantsvilleMarylandNational
Air quality index324350
Pollution index1,427,8506,283,4705,066,862

Grantsville air quality information

MeasurementTotal
Days measured332
Days with good air quality328
Days with moderate air quality4
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Grantsville air quality information

PollutantTotal
Arsenic0.003%
Benzene0.004%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.010%

Average monthly Grantsville temperature with heat index

Grantsville monthly precipitation with daily maximum

Grantsville monthly snow depth with daily maximum

Grantsville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Friendsville, MD6233040%
Zihlman, MD3343236%
Confluence, PA7083236%
Ursina, PA2713236%
Barton, MD4973236%
Grantsville, MD7113236%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Calvert, AL7113138%
Wall, PA7115612%
Vienna, MO7113726%
Hedrick, IA7114216%
Virginia City, NV7114412%
Grantsville, MD7113236%
Source: The Grantsville, 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.