TODAY DEC18
TEMPERATURE44
HUMIDITY85
PRESSURE102540
WIND COND.170 13
  • 5237Wed20%90%
  • 4529Thu
  • 4329Fri30%
  • 3621Sat
  • 3216Sun
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in North Chevy Chase for July is 80.8 degrees
  • The lowest monthly average temperature in North Chevy Chase for January is 37.1 degrees
  • The most monthly precipitation in North Chevy Chase occurs in June with 5.3 inches
  • The air quality index in North Chevy Chase is 12% worse than the national average
  • The pollution index in North Chevy Chase is 439% worse than the national average

Compare North Chevy Chase, MD Weather

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      North Chevy Chase 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"

      North Chevy Chase 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.
      IndexNorth Chevy ChaseMarylandNational
      Air quality index474342
      Pollution index14,693,9005,342,3672,726,193

      North Chevy Chase 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
      Arsenic0.190%
      Benzene0.210%
      Carbon Tetrachloride0.060%
      Lead0.060%
      Mercury0.010%

      Average monthly North Chevy Chase temperature with heat index

      North Chevy Chase monthly precipitation with daily maximum

      North Chevy Chase monthly snow depth with daily maximum

      North Chevy Chase monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Savage, MD6,849468.0%
      Maryland City, MD17,681468.0%
      Columbia, MD105,412468.0%
      North Laurel, MD24,856468.0%
      Beltsville, MD17,922476.0%
      North Chevy Chase, MD555476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Woodlawn, IL5554314.0%
      Naples, ME5553138.0%
      Big Bay, MI555884.0%
      Brownton, MN555468.0%
      Union Star, MO5554314.0%
      North Chevy Chase, MD555476.0%
      Source: The North Chevy Chase, 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.