Weather on October 11
Chicago, IL
55 Years of Data
Avg High
66°F
Avg Low
49°F
Warmest
1973
74°F avg
Coldest
2009
41°F avg
About This Date
October 11th in Chicago, IL typically brings mild fall weather, with average highs around 66°F and lows near 49°F. Over 53 years of records, the warmest October 11th was in 1973 (74°F average), while the coldest was 2009 (41°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 17% of October 11th dates historically, with the wettest October 11th recording 0.51" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for October 11th in Chicago, IL? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 58° | 61° | — | — |
| 2024 | 82° | 57° | 70° | — | — |
| 2023 | 64° | 46° | 55° | — | — |
| 2022 | 67° | 54° | 60° | — | — |
| 2021 | 79° | 61° | 70° | — | — |
| 2020 | — | 57° | — | — | — |
| 2019 | 68° | 40° | 54° | — | — |
| 2018 | 52° | 42° | 47° | — | — |
| 2017 | 62° | 57° | 60° | — | — |
| 2016 | 74° | 59° | 66° | — | — |
| 2015 | 78° | 54° | 66° | — | — |
| 2014 | 56° | 48° | 52° | — | — |
| 2013 | 66° | 57° | 62° | — | — |
| 2012 | 67° | 44° | 55° | — | — |
| 2011 | 74° | 60° | 67° | — | — |
| 2010 | 79° | 62° | 70° | — | — |
| 2009coldest | 46° | 35° | 41° | — | — |
| 2008 | 73° | 59° | 66° | — | — |
| 2007 | 54° | 50° | 52° | — | — |
| 2006 | 57° | 37° | 47° | — | — |
| 2005 | 60° | 57° | 59° | — | — |
| 2004 | 61° | 46° | 53° | — | — |
| 2003 | 78° | 57° | 68° | 0.1" | — |
| 2002 | 73° | 53° | 63° | — | — |
| 2001 | 65° | 53° | 59° | 0.23" | — |
| 2000 | 66° | 39° | 53° | — | — |
| 1999 | 68° | 49° | 58° | — | — |
| 1998 | 69° | 46° | 58° | — | — |
| 1997 | 76° | 49° | 62° | — | — |
| 1994 | 61° | 41° | 51° | — | — |
| 1993 | 56° | 38° | 47° | — | — |
| 1992 | 60° | 46° | 53° | — | — |
| 1991 | 67° | 50° | 58° | 0.18" | — |
| 1990 | 57° | 36° | 46° | 0.03" | — |
| 1989 | 74° | 44° | 59° | — | — |
| 1988 | 68° | 43° | 55° | — | — |
| 1987 | 49° | 35° | 42° | 0.51" | — |
| 1986 | 67° | 47° | 57° | — | — |
| 1985 | 56° | 45° | 50° | 0.05" | — |
| 1984 | 66° | 57° | 62° | — | — |
| 1983 | 75° | 51° | 63° | — | — |
| 1982 | 65° | 50° | 57° | — | — |
| 1981 | 64° | 44° | 54° | — | — |
| 1980 | 68° | 46° | 57° | — | — |
| 1979 | 58° | 45° | 51° | 0.03" | — |
| 1978 | 64° | 54° | 59° | 0.1" | — |
| 1977 | 65° | 40° | 52° | 0.51" | — |
| 1976 | 67° | 45° | 56° | — | — |
| 1975 | 56° | 47° | 51° | — | — |
| 1974 | 76° | 53° | 64° | — | — |
| 1973warmest | 81° | 68° | 74° | — | — |
| 1972 | 70° | 56° | 63° | — | — |
| 1971 | 65° | 46° | 55° | — | — |
53 years of data from CHICAGO GRANT PARK