TODAY NOV21
TEMPERATURE43
HUMIDITY65
PRESSURE100580
WIND COND.340 16.6
  • 4934
  • 4238Fri60%80%
  • 5242Sat
  • 5437Sun
  • 5847Mon
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Four Corners for July is 80.8 degrees
  • The lowest monthly average temperature in Four Corners for January is 37.1 degrees
  • The most monthly precipitation in Four Corners occurs in June with 5.3 inches
  • The air quality index in Four Corners is 12% worse than the national average
  • The pollution index in Four Corners is 455% worse than the national average

Compare Four Corners, MD Weather

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      Four Corners 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Four Corners 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.
      IndexFour CornersMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Four Corners air quality

      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

      Air quality details

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

      Average monthly Four Corners temperature with heat index

      Four Corners monthly precipitation with daily maximum

      Four Corners monthly snow depth with daily maximum

      Four Corners monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fort Meade, MD11,340468.0%
      North Laurel, MD24,856468.0%
      Elkridge, MD21,778468.0%
      Savage, MD6,849468.0%
      Maryland City, MD17,681468.0%
      Four Corners, MD8,268476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lac la Biche County, AB8,268n/a 
      Orting, WA8,2673040.0%
      Chester, IL8,264548.0%
      Mammoth Lakes, CA8,263476.0%
      Hornell, NY8,2743530.0%
      Four Corners, MD8,268476.0%
      Source: The Four Corners, 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.