TODAY APR18
TEMPERATURE55
HUMIDITY100
PRESSURE101420
WIND COND.
  • 7447
  • 6550Fri30%
  • 6741Sat
  • 6042Sun
  • 6544Mon
daynightWeather update from Gaithersburg - Montgomery County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Highland for July is 75.6 degrees
  • The lowest monthly average temperature in Highland for January is 31.4 degrees
  • The most monthly precipitation in Highland occurs in October with 9.4 inches
  • The air quality index in Highland is 12% worse than the national average
  • The pollution index in Highland is 455% worse than the national average

Compare Highland, MD Weather

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      Highland 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°F41°F31°F4.1"
      February26°F44°F34°F5.6"
      March34°F55°F43°F6.4"
      April44°F68°F55°F6.1"
      May55°F76°F64°F9.2"
      June63°F84°F72°F6.0"
      July66°F87°F76°F5.5"
      August64°F85°F73°F7.7"
      September58°F79°F67°F7.6"
      October46°F67°F55°F9.4"
      November36°F55°F44°F5.4"
      December30°F46°F37°F6.8"

      Highland 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.
      IndexHighlandMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Highland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Highland air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.130%
      Carbon Tetrachloride0.060%
      Lead0.070%
      Mercury0.130%

      Average monthly Highland temperature with heat index

      Highland monthly precipitation with daily maximum

      Highland monthly snow depth with daily maximum

      Highland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Catonsville, MD41,592468.0%
      Milford Mill, MD30,355468.0%
      Eldersburg, MD30,550468.0%
      Maryland City, MD17,681468.0%
      Elkridge, MD21,778468.0%
      Highland, MD1,086476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lincoln, NH1,0863138.0%
      New Madison, OH1,086688.0%
      Machin, ON1,086n/a 
      Trochu, AB1,086n/a 
      Anna Maria, FL1,0873824.0%
      Highland, MD1,086476.0%
      Source: The Highland, 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.