TODAY NOV25
TEMPERATURE39
HUMIDITY87
PRESSURE102000
WIND COND.
  • 5646Mon
  • 6035Tue50%
  • 5342Wed
  • 533680%40%
  • 4727Fri30%
daynightWeather update from Baltimore / Martin at
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Weather Quick Facts

  • The highest monthly average temperature in Overlea for July is 81.8 degrees
  • The lowest monthly average temperature in Overlea for January is 37 degrees
  • The most monthly precipitation in Overlea occurs in July with 5 inches
  • The air quality index in Overlea is 9% worse than the national average
  • The pollution index in Overlea is 260% worse than the national average

Compare Overlea, MD Weather

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      Overlea 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
      January32°F44°F37°F2.7"
      February32°F45°F38°F2.7"
      March40°F55°F47°F3.4"
      April51°F68°F59°F3.8"
      May60°F76°F67°F3.9"
      June70°F86°F77°F4.5"
      July75°F90°F82°F5.0"
      August73°F87°F79°F4.6"
      September67°F80°F73°F4.4"
      October55°F69°F62°F4.6"
      November45°F58°F50°F2.4"
      December37°F48°F42°F4.1"

      Overlea 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.
      IndexOverleaMarylandNational
      Air quality index464342
      Pollution index9,823,9205,342,3672,726,193

      Overlea air quality

      MeasurementTotal
      Days measured365
      Days with good air quality223
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.050%
      Lead0.030%
      Mercury0.140%

      Average monthly Overlea temperature with heat index

      Overlea monthly precipitation with daily maximum

      Overlea monthly snow depth with daily maximum

      Overlea monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cockeysville, MD22,602468.0%
      Mays Chapel, MD12,229468.0%
      Timonium, MD10,642468.0%
      Edgemere, MD8,652468.0%
      Lansdowne, MD8,635468.0%
      Overlea, MD12,063468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Enumclaw, WA12,0624510.0%
      Port Salerno, FL12,0703628.0%
      Scotts Valley, CA12,0553530.0%
      Festus, MO12,054548.0%
      Londonderry, NH12,0533726.0%
      Overlea, MD12,063468.0%
      Source: The Overlea, 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.