TODAY JUN01
TEMPERATURE67
HUMIDITY56
PRESSURE30.14
WIND COND.350 3.4
  • 8162Mon
  • 8567Tue
  • 8868Wed
  • 8768Thu40%40%
  • 8569Fri30%30%
daynightWeather update from Marietta / Dobbins Air Force Base at
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Marietta 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
January33°F54°F43°F8.0"
February35°F57°F45°F6.6"
March44°F67°F55°F6.9"
April51°F75°F63°F8.0"
May59°F81°F70°F8.0"
June68°F88°F78°F7.0"
July70°F89°F79°F8.2"
August70°F89°F79°F7.2"
September64°F83°F73°F9.0"
October52°F74°F62°F9.1"
November41°F64°F52°F8.1"
December38°F57°F47°F9.2"

Did you know?

  • The highest monthly average temperature in Marietta for July is 79 degrees.
  • The lowest monthly average temperature in Marietta for January is 43 degrees.
  • The most monthly precipitation in Marietta occurs in December with 9.2 inches.
  • The air quality index in Marietta is 5% worse than the national average.
  • The pollution index in Marietta is 180% worse than the national average.

Compare Marietta, GA Weather To Other Cities

      vs

      Marietta 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.
      IndexMariettaGeorgiaNational
      Air quality index524150
      Pollution index14,162,5003,237,5535,066,862

      Marietta air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality175
      Days with moderate air quality187
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality1

      Marietta air quality information

      PollutantTotal
      Arsenic0.220%
      Benzene0.180%
      Carbon Tetrachloride0.040%
      Lead0.100%
      Mercury0.040%

      Average monthly Marietta temperature with heat index

      Marietta monthly precipitation with daily maximum

      Marietta monthly snow depth with daily maximum

      Marietta monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Emerson, GA1,649524%
      Kennesaw, GA32,669524%
      North Decatur, GA16,652524%
      Sandy Springs, GA102,212524%
      Austell, GA7,056524%
      Marietta, GA59,714524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Petaluma, CA59,7573530%
      Springfield, OH59,7614216%
      Lakeville, MN59,7864412%
      Gardena, CA59,8987448%
      St. Clair Shores, MI59,916524%
      Marietta, GA59,714524%
      Source: The Marietta, GA 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.