Weather on October 23
Chicago, IL
55 Years of Data
Avg High
61°F
Avg Low
46°F
Warmest
1991
69°F avg
Coldest
2006
39°F avg
About This Date
October 23rd in Chicago, IL typically brings mild fall weather, with average highs around 61°F and lows near 46°F. Over 55 years of records, the warmest October 23rd was in 1991 (69°F average), while the coldest was 2006 (39°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 23rd dates historically, with the wettest October 23rd recording 2.67" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Chicago, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 41° | 47° | — | — |
| 2024 | 64° | 51° | 58° | — | — |
| 2023 | 66° | 44° | 55° | — | — |
| 2022 | 78° | 61° | 69° | — | — |
| 2021 | 53° | 46° | 50° | — | — |
| 2020 | 71° | 41° | 56° | — | — |
| 2019 | 60° | 41° | 51° | — | — |
| 2018 | 53° | 44° | 49° | — | — |
| 2017 | 54° | 50° | 52° | — | — |
| 2016 | 73° | 49° | 61° | — | — |
| 2015 | 64° | 52° | 58° | — | — |
| 2014 | 60° | 42° | 51° | — | — |
| 2013 | 45° | 37° | 41° | — | — |
| 2012 | 68° | 56° | 62° | — | — |
| 2011 | 69° | 49° | 59° | — | — |
| 2010 | 69° | 57° | 63° | — | — |
| 2009 | 63° | 45° | 54° | — | — |
| 2008 | 61° | 47° | 54° | — | — |
| 2007 | 55° | 50° | 53° | — | — |
| 2006coldest | 43° | 36° | 39° | — | — |
| 2005 | 52° | 39° | 45° | — | — |
| 2004 | 76° | 54° | 65° | 2.67" | — |
| 2003 | 55° | 45° | 50° | — | — |
| 2002 | 47° | 41° | 44° | 0.05" | — |
| 2001 | 66° | 59° | 63° | 1.35" | — |
| 2000 | 72° | 58° | 65° | 0.05" | — |
| 1999 | 50° | 39° | 45° | — | — |
| 1998 | 63° | 39° | 51° | 0.05" | — |
| 1997 | 54° | 38° | 46° | — | — |
| 1996 | 49° | 39° | 44° | 0.23" | — |
| 1995 | 73° | 50° | 62° | 0.38" | — |
| 1994 | 74° | 46° | 60° | 0.08" | — |
| 1993 | 64° | 43° | 53° | — | — |
| 1992 | 74° | 58° | 66° | — | — |
| 1991warmest | 77° | 61° | 69° | — | — |
| 1990 | 59° | 37° | 48° | — | — |
| 1989 | 68° | 47° | 57° | — | — |
| 1988 | 51° | 41° | 46° | 1.04" | — |
| 1987 | 51° | 35° | 43° | 0.08" | — |
| 1986 | 74° | 57° | 65° | — | — |
| 1985 | 66° | 53° | 60° | — | — |
| 1984 | 53° | 38° | 45° | — | — |
| 1983 | 56° | 51° | 53° | 1.7" | — |
| 1982 | 52° | 35° | 43° | — | — |
| 1981 | 52° | 30° | 41° | — | — |
| 1980 | 61° | 46° | 53° | — | — |
| 1979 | 64° | 39° | 52° | 0.18" | — |
| 1978 | 75° | 47° | 61° | 0.69" | — |
| 1977 | 53° | 47° | 50° | 0.03" | — |
| 1976 | 47° | 35° | 41° | 0.08" | — |
| 1975 | 74° | 59° | 66° | — | — |
| 1974 | 60° | 51° | 56° | — | — |
| 1973 | 74° | 53° | 63° | — | — |
| 1972 | 58° | 40° | 49° | — | — |
| 1971 | 60° | 57° | 59° | 0.3" | — |
55 years of data from CHICAGO GRANT PARK