TODAY JUN24
TEMPERATURE62
HUMIDITY93
PRESSURE29.86
WIND COND.
  • 8360
  • 8067Mon40%
  • 8369Tue60%70%
  • 8467Wed60%
  • 8873Thu
daynightWeather update from Chicago / West Chicago, Dupage Airport at

Winfield 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
January-22°F64°F25°F1.5"
February-11°F62°F26°F1.8"
March9°F79°F38°F2.1"
April21°F82°F50°F3.2"
May28°F91°F60°F3.1"
June39°F97°F71°F2.8"
July48°F100°F73°F2.7"
August43°F97°F73°F3.5"
September36°F95°F66°F3.6"
October25°F88°F53°F2.7"
November10°F73°F42°F1.5"
December-6°F61°F27°F2.0"

Did you know?

  • The highest monthly average temperature in Winfield for July is 73 degrees.
  • The lowest monthly average temperature in Winfield for January is 25 degrees.
  • The most monthly precipitation in Winfield occurs in September with 3.6 inches.
  • The air quality index in Winfield is 20% worse than the national average.
  • The pollution index in Winfield is 195% worse than the national average.

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Compare Winfield, IL Weather To Other Cities

Winfield 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.
IndexWinfieldIllinoisNational
Air quality index604150
Pollution index14,981,3003,347,2955,066,862

Winfield air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Winfield air quality information

PollutantTotal
Arsenic0.010%
Benzene0.140%
Carbon Tetrachloride0.030%
Lead0.020%
Mercury0.010%

Average monthly Winfield temperature with heat index

Winfield monthly precipitation with daily maximum

Winfield monthly snow depth with daily maximum

Winfield monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Montgomery, IL19,055198%
Prestbury, IL1,780198%
Oswego, IL33,245198%
Pingree Grove, IL5,9833138%
Bartlett, IL41,4756020%
Winfield, IL9,5436020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hampton, NH9,5423628%
Bethel, CT9,541476%
Winslow, AZ9,5394216%
North Gates, NY9,5373628%
Brentwood, PA9,5505612%
Winfield, IL9,5436020%
Source: The Winfield, IL 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.