Harper's Weekly / Public domain
Chicago, IL Weather on July 11
Chicago hit 100°F on July 11, 1989 - a record high for the date
Chicago's July 11 climate data spans 53 years of records, with typical highs reaching 82°F. However, the most extreme temperature occurred in 1989 when the city sweltered through a blistering 100°F, marking the hottest July 11 on record. The coldest reading for this date was a brisk 55°F in 1978, demonstrating a 45-degree swing between record extremes that underscores Chicago's variable summer weather patterns.
What to Expect on July 11
Planning for July 11th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest July 11 ever in Chicago?
The warmest July 11 in Chicago, IL reached 100°F in 1989. That is 18°F above the long-term average high of 82°F.
What was the coldest July 11 ever in Chicago?
The coldest July 11 in Chicago, IL dropped to 55°F in 1978. That is 12°F below the long-term average low of 67°F.
What is the average temperature on July 11 in Chicago?
On July 11, Chicago averages a high of 82°F and a low of 67°F based on 53 years of NOAA weather observations from CHICAGO GRANT PARK.
How many years of weather data are available for July 11 in Chicago?
We have 53 years of weather records for July 11 in Chicago, IL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 11 Weather History in Chicago
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 70°F | -- | -- |
| 2024 | 74°F | 67°F | -- | -- |
| 2023 | 88°F | 69°F | 2.64" | -- |
| 2022 | 84°F | 70°F | -- | -- |
| 2021 | 68°F | 65°F | -- | -- |
| 2020 | 84°F | 73°F | -- | -- |
| 2019 | 77°F | 64°F | -- | -- |
| 2018 | 78°F | 69°F | -- | -- |
| 2017 | 80°F | 70°F | -- | -- |
| 2016 | 92°F | 73°F | 0" | -- |
| 2015 | 73°F | 64°F | -- | -- |
| 2014 | 77°F | 64°F | -- | -- |
| 2013 | 74°F | 66°F | -- | -- |
| 2012 | 83°F | 74°F | -- | -- |
| 2011 | 92°F | 71°F | -- | -- |
| 2010 | 86°F | 68°F | -- | -- |
| 2009 | 78°F | 68°F | -- | -- |
| 2008 | 87°F | 62°F | -- | -- |
| 2007 | 80°F | 67°F | -- | -- |
| 2006 | 77°F | 68°F | -- | -- |
| 2005 | 82°F | 72°F | -- | -- |
| 2004 | 87°F | 67°F | 0.03" | -- |
| 2003 | 76°F | 61°F | 0" | -- |
| 2002 | 76°F | 67°F | 0" | -- |
| 2001 | 78°F | 66°F | 0" | -- |
| 2000 | 78°F | 65°F | 0" | -- |
| 1999 | 82°F | 59°F | 0" | -- |
| 1998 | 80°F | 66°F | 0" | -- |
| 1997 | 84°F | 61°F | -- | -- |
| 1994 | 81°F | 57°F | 0" | -- |
| 1993 | 80°F | 71°F | 0" | -- |
| 1992 | 86°F | 65°F | 0" | -- |
| 1991 | 85°F | 69°F | 0" | -- |
| 1990 | 74°F | 63°F | 2.34" | -- |
| 1989 | 100°F | 78°F | 0.33" | -- |
| 1988 | 87°F | 69°F | 0" | -- |
| 1987 | 92°F | 70°F | 1.83" | -- |
| 1986 | 76°F | 68°F | 1.27" | -- |
| 1985 | 82°F | 66°F | 0" | -- |
| 1984 | 96°F | 63°F | 2.72" | -- |
| 1983 | 91°F | 71°F | 0" | -- |
| 1982 | 81°F | 68°F | 0" | -- |
| 1981 | 90°F | 65°F | 0" | -- |
| 1980 | 92°F | 72°F | 0" | -- |
| 1979 | 87°F | 68°F | 0.03" | -- |
| 1978 | 72°F | 55°F | 0" | -- |
| 1977 | 81°F | 64°F | 0.28" | -- |
| 1976 | 90°F | 68°F | -- | -- |
| 1975 | 72°F | 58°F | -- | -- |
| 1974 | 70°F | 66°F | -- | -- |
| 1973 | 71°F | 63°F | -- | -- |
| 1972 | 92°F | 74°F | -- | -- |
| 1971 | 78°F | 67°F | 0" | -- |
Based on 53 years of data from NOAA station: CHICAGO GRANT PARK
How Has July 11 Changed?
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Chicago, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.