TODAY OCT17
TEMPERATURE45
HUMIDITY58
PRESSURE30.11
WIND COND.290 8.1
  • 5035
  • 5444Thu
  • 5544Fri20%30%
  • 5233Sat20%
  • 4739Sun
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at
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Evanston 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 Evanston for August is 75 degrees.
  • The lowest monthly average temperature in Evanston for February is 25 degrees.
  • The most monthly precipitation in Evanston occurs in August with 12.8 inches.
  • The air quality index in Evanston is 20% worse than the national average.
  • The pollution index in Evanston is 25% better than the national average.

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Evanston 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.
IndexEvanstonIllinoisNational
Air quality index604150
Pollution index3,795,4103,347,2955,066,862

Evanston 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

Evanston air quality information

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

Average monthly Evanston temperature with heat index

Evanston monthly precipitation with daily maximum

Evanston monthly snow depth with daily maximum

Evanston monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bellwood, IL19,1466020%
Broadview, IL7,9156020%
Deerfield, IL18,6866020%
Forest Park, IL14,1376020%
Golf, IL5336020%
Evanston, IL75,4726020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Auburn, WA75,607492%
Baytown, TX75,310524%
Albany, GA75,6574314%
Arlington Heights, IL75,7216020%
Pharr, TX75,1723628%
Evanston, IL75,4726020%
Source: The Evanston, 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.