TODAY MAY11
TEMPERATURE59
HUMIDITY41
PRESSURE30.13
WIND COND.310 14.8
  • 6541Wed
  • 6846Thu
  • 6948Fri
  • 7149Sat
  • 7252Sun
daynightWeather update from Hagerstown, Washington County Regional Airport at

Key findings

  • The highest monthly average temperature in Hagerstown for July is 76.1 degrees
  • The lowest monthly average temperature in Hagerstown for February is 30.3 degrees
  • The most monthly precipitation in Hagerstown occurs in August with 8.4 inches
  • The air quality index in Hagerstown is 20% better than the national average
  • The pollution index in Hagerstown is 220% worse than the national average

Compare Hagerstown, MD Weather

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      Hagerstown 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
      January27°F42°F34°F3.7"
      February22°F39°F30°F2.4"
      March31°F51°F40°F6.5"
      April41°F64°F52°F5.9"
      May50°F74°F62°F3.6"
      June62°F84°F73°F4.8"
      July65°F87°F76°F6.4"
      August66°F86°F75°F8.4"
      September58°F81°F70°F3.6"
      October50°F69°F59°F5.5"
      November36°F55°F45°F4.8"
      December26°F40°F33°F5.1"

      Hagerstown 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.
      IndexHagerstownMarylandNational
      Air quality index404350
      Pollution index16,230,7006,283,4705,066,862

      Hagerstown air quality information

      MeasurementTotal
      Days measured362
      Days with good air quality306
      Days with moderate air quality54
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Hagerstown air quality information

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

      Average monthly Hagerstown temperature with heat index

      Hagerstown monthly precipitation with daily maximum

      Hagerstown monthly snow depth with daily maximum

      Hagerstown monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mont Alto, PA1,7363628%
      Mercersburg, PA1,4933628%
      Mount Briar, MD2284020%
      Big Spring, MD984020%
      Pinesburg, MD2994020%
      Hagerstown, MD40,3254020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Holyoke, MA40,2804020%
      Hickory, NC40,2744314%
      La Puente, CA40,3847244%
      Carol Stream, IL40,2285510%
      Marana, AZ40,221476%
      Hagerstown, MD40,3254020%
      Source: The Hagerstown, 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.