TODAY JUN18
TEMPERATURE85
HUMIDITY31
PRESSURE29.85
WIND COND.20 12.8
  • 8756Mon
  • 8458Tue
  • 8758Wed
  • 7655Thu
  • 7152Fri
daynightWeather update from Tacoma / McChord Air Force Base at

DuPont Average Weather

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
January16°F64°F38°F5.8"
February14°F63°F39°F2.1"
March21°F70°F43°F4.0"
April27°F79°F47°F2.4"
May28°F92°F54°F2.2"
June39°F97°F59°F1.5"
July43°F103°F65°F0.7"
August43°F95°F64°F1.1"
September34°F92°F59°F1.1"
October21°F75°F50°F3.0"
November18°F63°F44°F6.9"
December8°F63°F37°F4.6"

Did you know?

  • The highest monthly average temperature in DuPont for July is 65 degrees.
  • The lowest monthly average temperature in DuPont for December is 37 degrees.
  • The most monthly precipitation in DuPont occurs in November with 6.9 inches.
  • The air quality index in DuPont is 37% better than the national average.
  • The pollution index in DuPont is 32% worse than the national average.

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Compare DuPont, WA Weather To Other Cities

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 index313650
Pollution index6,704,3308,596,9895,066,862

DuPont air quality information

MeasurementTotal
Days measured364
Days with good air quality291
Days with moderate air quality70
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

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.
Dash Point, WA9391766%
Tacoma, WA205,6021766%
Artondale, WA13,5061766%
Wollochet, WA6,3861766%
Browns Point, WA1,1871766%
DuPont, WA9,2243138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fort Knox, KY9,2264314%
Alma, MI9,222285470%
Tuba City, AZ9,2214216%
Fort Polk South, LA9,219435770%
Bithlo, FL9,2183628%
DuPont, WA9,2243138%
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.