TODAY AUG04
TEMPERATURE80
HUMIDITY46
PRESSURE30.07
WIND COND.30 16.6
  • 8156Tue
  • 7859Wed40%
  • 7153Thu60%20%
  • 7453Fri
  • 7654Sat
daynightWeather update from Tacoma / McChord Air Force Base at

Key findings

  • The highest monthly average temperature in DuPont for July is 65 degrees
  • The lowest monthly average temperature in DuPont for December is 38 degrees
  • The most monthly precipitation in DuPont occurs in January with 9 inches
  • The air quality index in DuPont is 40% better than the national average
  • The pollution index in DuPont is 32% worse than the national average

Compare DuPont, WA Weather

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      DuPont 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
      January34°F46°F39°F9.0"
      February34°F49°F40°F4.0"
      March36°F52°F43°F4.2"
      April38°F58°F47°F2.9"
      May43°F65°F53°F4.4"
      June49°F70°F59°F3.3"
      July54°F79°F65°F1.9"
      August53°F77°F64°F3.2"
      September49°F72°F59°F3.7"
      October42°F60°F50°F5.2"
      November39°F51°F44°F8.1"
      December32°F44°F38°F6.1"

      DuPont 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.
      IndexDuPontWashingtonNational
      Air quality index303650
      Pollution index6,704,3308,596,9895,066,862

      DuPont air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality323
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      DuPont air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.100%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.003%

      Average monthly DuPont temperature with heat index

      DuPont monthly precipitation with daily maximum

      DuPont monthly snow depth with daily maximum

      DuPont monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Artondale, WA13,5061864%
      Wollochet, WA6,3861864%
      Browns Point, WA1,1871864%
      Ruston, WA9691864%
      Dash Point, WA9391864%
      DuPont, WA9,2243040%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fort Knox, KY9,2263922%
      Alma, MI9,2222648%
      Tuba City, AZ9,2214510%
      Fort Polk South, LA9,2193040%
      Gifford, FL9,2183628%
      DuPont, WA9,2243040%
      Source: The DuPont, 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.