TODAY NOV22
TEMPERATURE36
HUMIDITY75
PRESSURE30.08
WIND COND.300 12.8
  • 3922Fri
  • 3927Sat
  • 4432Sun
  • 4734Mon
  • 4731Tue
daynightWeather update from Aurora Municipal Airport at
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Oswego 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
January18°F32°F25°F4.1"
February16°F31°F23°F3.2"
March29°F48°F38°F3.7"
April38°F62°F49°F5.9"
May49°F74°F61°F4.0"
June60°F84°F72°F4.6"
July60°F85°F73°F9.3"
August62°F83°F72°F8.2"
September54°F81°F67°F2.4"
October45°F68°F55°F5.0"
November30°F49°F39°F3.4"
December16°F31°F23°F2.7"

Did you know?

  • The highest monthly average temperature in Oswego for July is 73 degrees.
  • The lowest monthly average temperature in Oswego for February is 23 degrees.
  • The most monthly precipitation in Oswego occurs in July with 9.3 inches.
  • The air quality index in Oswego is 98% better than the national average.
  • The pollution index in Oswego is 63% better than the national average.

Compare Oswego, IL Weather To Other Cities

Oswego 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.
IndexOswegoIllinoisNational
Air quality index14150
Pollution index1,874,4903,347,2955,066,862

Oswego air quality information

MeasurementTotal
Days measured351
Days with good air quality351
Days with moderate air quality
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Oswego air quality information

PollutantTotal
Arsenic0.002%
Benzene0.030%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.010%

Average monthly Oswego temperature with heat index

Oswego monthly precipitation with daily maximum

Oswego monthly snow depth with daily maximum

Oswego monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Shorewood, IL16,539198%
Lisbon, IL397198%
Montgomery, IL19,055198%
Sugar Grove, IL9,288198%
Big Rock, IL1,139198%
Oswego, IL33,245198%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Elk Grove Village, IL33,2516020%
Wenatchee, WA33,2572746%
Fair Lawn, NJ33,205536%
Manitowoc, WI33,1833726%
Menlo Park, CA33,319484%
Oswego, IL33,245198%
Source: The Oswego, 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.
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