TODAY DEC28
TEMPERATURE50
HUMIDITY89
PRESSURE102100
WIND COND.360 7.6
  • 6146Sun50%100%
  • 5537Mon30%
  • 5341Tue90%
  • 462930%
  • 3625Thu
daynightWeather update from Hagerstown, Washington County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Halfway for July is 76.1 degrees
  • The lowest monthly average temperature in Halfway for February is 30.3 degrees
  • The most monthly precipitation in Halfway occurs in August with 8.4 inches
  • The air quality index in Halfway is 5% better than the national average
  • The pollution index in Halfway is 495% worse than the national average

Compare Halfway, MD Weather

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      Halfway 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"

      Halfway 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.
      IndexHalfwayMarylandNational
      Air quality index404342
      Pollution index16,230,7005,342,3672,726,193

      Halfway air quality

      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

      Air quality details

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

      Average monthly Halfway temperature with heat index

      Halfway monthly precipitation with daily maximum

      Halfway monthly snow depth with daily maximum

      Halfway monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mercersburg, PA1,6733628.0%
      Antietam, MD454020.0%
      Middletown, MD4,6944020.0%
      Trego-Rohrersville Station, MD1014020.0%
      Clear Spring, MD4864020.0%
      Halfway, MD10,8044020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Saint-Sauveur, QC10,802n/a 
      Yazoo City, MS10,8064412.0%
      Tarboro, NC10,8063628.0%
      Saint-Raymond, QC10,809n/a 
      Totowa, NJ10,810512.0%
      Halfway, MD10,8044020.0%
      Source: The Halfway, 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.