TODAY AUG19
TEMPERATURE66
HUMIDITY88
PRESSURE30.02
WIND COND.10 5.8
  • 7465Mon20%20%
  • 7763Tue50%80%
  • 7355Wed40%30%
  • 7153Thu
  • 7558Fri
daynightWeather update from Cumberland, Greater Cumberland Regional Airport at

National 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
January26°F45°F35°F4.9"
February27°F47°F36°F2.4"
March35°F58°F45°F3.4"
April43°F70°F56°F3.2"
May51°F77°F63°F6.1"
June60°F84°F71°F6.8"
July63°F87°F74°F8.1"
August62°F86°F73°F4.8"
September55°F80°F66°F6.1"
October45°F69°F55°F5.8"
November35°F57°F45°F1.9"
December30°F49°F38°F3.6"

Did you know?

  • The highest monthly average temperature in National for July is 74 degrees.
  • The lowest monthly average temperature in National for January is 35 degrees.
  • The most monthly precipitation in National occurs in July with 8.1 inches.
  • The air quality index in National is 35% better than the national average.
  • The pollution index in National is 93% better than the national average.

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Compare National, MD Weather To Other Cities

National 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.
IndexNationalMarylandNational
Air quality index324350
Pollution index314,6806,283,4705,066,862

National 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

National air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.001%
Lead0.000%
Mercury0.000%

Average monthly National temperature with heat index

National monthly precipitation with daily maximum

National monthly snow depth with daily maximum

National monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bier, MD1353236%
Carlos, MD1193236%
Cumberland, MD20,2903236%
Eckhart Mines, MD8733236%
Frostburg, MD8,7183236%
National, MD723236%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Centrahoma, OK724314%
Camp Nelson, CA727448%
Guernsey, IA724216%
Table Rock, PA724314%
Butte Meadows, CA72468%
National, MD723236%
Source: The National, 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.