TODAY DEC03
TEMPERATURE35
HUMIDITY88
PRESSURE102740
WIND COND.40 7.6
  • 4737Wed
  • 4945Thu40%30%
  • 5450Fri60%
  • 5443Sat
  • 5040Sun
daynightWeather update from Boeing Field - King County International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Atlantic for August is 67.5 degrees
  • The lowest monthly average temperature in Atlantic for December is 41.4 degrees
  • The most monthly precipitation in Atlantic occurs in November with 6.6 inches
  • The air quality index in Atlantic is 7% worse than the national average
  • The pollution index in Atlantic is 60% better than the national average

Compare Seattle, WA Weather

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      Atlantic 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
      January36°F49°F42°F5.1"
      February37°F52°F44°F3.8"
      March40°F55°F47°F4.9"
      April43°F61°F51°F3.1"
      May49°F68°F57°F2.2"
      June54°F72°F62°F1.5"
      July58°F79°F67°F0.4"
      August58°F79°F68°F0.6"
      September54°F73°F62°F1.6"
      October47°F62°F54°F3.9"
      November40°F53°F47°F6.6"
      December36°F48°F41°F6.1"

      Atlantic 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.
      IndexAtlanticSeattleWashington
      Air quality index454536
      Pollution index1,081,4301,081,4304,541,850

      Atlantic air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Atlantic temperature with heat index

      Atlantic monthly precipitation with daily maximum

      Atlantic monthly snow depth with daily maximum

      Atlantic monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Canterwood, WA3,0701864.0%
      East Port Orchard, WA5,0691864.0%
      Manchester, WA6,0501864.0%
      Maplewood, WA5,1351864.0%
      Keyport, WA3391864.0%
      Seattle, WA741,2514510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Brampton, ON735,754n/a 
      Mississauga, ON764,342n/a 
      Denver, CO715,8785816.0%
      Winnipeg, MB775,440n/a 
      Washington, DC701,974476.0%
      Seattle, WA741,2514510.0%
      Source: The Atlantic, Seattle, WA 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.