TODAY DEC07
TEMPERATURE36
HUMIDITY62
PRESSURE30.33
WIND COND.200 10.3
  • 4641Sun60%
  • 4622Mon70%50%
  • 269Tue
  • 1810Wed
  • 2924Thu
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at
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Wilmette 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
January21°F34°F27°F4.6"
February20°F32°F25°F1.8"
March30°F49°F39°F2.6"
April39°F60°F49°F4.5"
May50°F72°F60°F3.5"
June63°F84°F73°F3.8"
July65°F84°F74°F5.4"
August67°F83°F75°F12.8"
September59°F80°F69°F6.7"
October49°F66°F57°F1.7"
November33°F50°F41°F2.4"
December19°F32°F26°F1.7"

Did you know?

  • The highest monthly average temperature in Wilmette for August is 75 degrees.
  • The lowest monthly average temperature in Wilmette for February is 25 degrees.
  • The most monthly precipitation in Wilmette occurs in August with 12.8 inches.
  • The air quality index in Wilmette is 21% worse than the national average.
  • The pollution index in Wilmette is 25% better than the national average.

Compare Wilmette, IL Weather To Other Cities

Wilmette 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.
IndexWilmetteIllinoisNational
Air quality index604150
Pollution index3,795,4103,347,2955,066,862

Wilmette 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

Wilmette air quality information

PollutantTotal
Arsenic0.030%
Benzene0.050%
Carbon Tetrachloride0.010%
Lead0.003%
Mercury0.310%

Average monthly Wilmette temperature with heat index

Wilmette monthly precipitation with daily maximum

Wilmette monthly snow depth with daily maximum

Wilmette monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lake Bluff, IL5,7583530%
Mundelein, IL31,5503530%
Libertyville, IL20,4353530%
Knollwood, IL1,7293530%
Northfield, IL5,3746020%
Wilmette, IL27,3676020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Winona, MN27,3722158%
Maryland Heights, MO27,3596020%
Milton, MA27,351476%
Winchester, VA27,3493726%
Jeffersontown, KY27,3955510%
Wilmette, IL27,3676020%
Source: The Wilmette, 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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