Weather on October 12
Chicago, IL
55 Years of Data
Avg High
65°F
Avg Low
50°F
Warmest
1997
72°F avg
Coldest
2006
37°F avg
About This Date
October 12th in Chicago, IL typically brings mild fall weather, with average highs around 65°F and lows near 50°F. Over 53 years of records, the warmest October 12th was in 1997 (72°F average), while the coldest was 2006 (37°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 17% of October 12th dates historically, with the wettest October 12th recording 1.65" of rain. The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for October 12th in Chicago, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 55° | 60° | — | — |
| 2024 | 66° | 59° | 63° | — | — |
| 2023 | 60° | 53° | 57° | — | — |
| 2022 | 63° | 50° | 56° | — | — |
| 2021 | 65° | 59° | 62° | — | — |
| 2020 | 67° | 47° | 57° | 0.74" | — |
| 2019 | 55° | 37° | 46° | — | — |
| 2018 | 43° | 38° | 40° | — | — |
| 2017 | 60° | 56° | 58° | — | — |
| 2016 | 68° | 47° | 57° | — | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 60° | 48° | 54° | — | — |
| 2013 | 74° | 59° | 66° | — | — |
| 2012 | 56° | 47° | 51° | — | — |
| 2011 | 72° | 58° | 65° | — | — |
| 2010 | 70° | 62° | 66° | — | — |
| 2009 | 51° | 45° | 48° | — | — |
| 2008 | 78° | 64° | 71° | — | — |
| 2007 | 56° | 49° | 52° | — | — |
| 2006coldest | 41° | 32° | 37° | — | — |
| 2005 | 61° | 56° | 58° | — | — |
| 2004 | 60° | 48° | 54° | — | — |
| 2003 | 69° | 49° | 59° | — | — |
| 2002 | 73° | 50° | 62° | 0.46" | — |
| 2001 | 61° | 54° | 57° | 1.65" | — |
| 2000 | 74° | 45° | 59° | — | — |
| 1999 | 76° | 51° | 63° | — | — |
| 1998 | 70° | 49° | 59° | — | — |
| 1997warmest | 82° | 63° | 72° | — | — |
| 1994 | 62° | 47° | 54° | — | — |
| 1993 | 58° | 43° | 50° | — | — |
| 1992 | 74° | 47° | 60° | 0.05" | — |
| 1991 | 66° | 48° | 57° | — | — |
| 1990 | 60° | 38° | 49° | — | — |
| 1989 | 78° | 59° | 69° | — | — |
| 1988 | 52° | 36° | 44° | — | — |
| 1987 | 56° | 34° | 45° | 0.05" | — |
| 1986 | 70° | 59° | 64° | 0.2" | — |
| 1985 | 78° | 54° | 66° | 0.23" | — |
| 1984 | 67° | 58° | 62° | — | — |
| 1983 | 75° | 47° | 61° | 1.6" | — |
| 1982 | 61° | 47° | 54° | — | — |
| 1981 | 63° | 51° | 57° | — | — |
| 1980 | 50° | 36° | 43° | — | — |
| 1979 | 59° | 46° | 53° | 0.08" | — |
| 1978 | 64° | 53° | 59° | — | — |
| 1977 | 52° | 39° | 45° | — | — |
| 1976 | 76° | 55° | 65° | — | — |
| 1975 | 69° | 51° | 60° | — | — |
| 1974 | 64° | 49° | 56° | — | — |
| 1973 | 72° | 62° | 67° | — | — |
| 1972 | 62° | 51° | 57° | — | — |
| 1971 | 68° | 43° | 55° | — | — |
53 years of data from CHICAGO GRANT PARK