Weather on October 17
Chicago, IL
55 Years of Data
Avg High
62°F
Avg Low
47°F
Warmest
2016
75°F avg
Coldest
1992
40°F avg
About This Date
October 17th in Chicago, IL typically brings mild fall weather, with average highs around 62°F and lows near 47°F. Over 55 years of records, the warmest October 17th was in 2016 (75°F average), while the coldest was 1992 (40°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 17th dates historically, with the wettest October 17th recording 3" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Chicago, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 57° | 65° | — | — |
| 2024 | 65° | 42° | 53° | — | — |
| 2023 | 62° | 45° | 53° | — | — |
| 2022 | 43° | 38° | 40° | — | — |
| 2021 | 67° | 46° | 56° | — | — |
| 2020 | 64° | 41° | 53° | — | — |
| 2019 | 53° | 45° | 49° | — | — |
| 2018 | 52° | 43° | 47° | — | — |
| 2017 | 70° | 50° | 60° | — | — |
| 2016warmest | 83° | 68° | 75° | — | — |
| 2015 | 53° | 39° | 46° | — | — |
| 2014 | 62° | 50° | 56° | — | — |
| 2013 | 53° | 49° | 51° | — | — |
| 2012 | 69° | 56° | 62° | — | — |
| 2011 | 59° | 45° | 52° | — | — |
| 2010 | 64° | 57° | 61° | — | — |
| 2009 | 51° | 42° | 47° | — | — |
| 2008 | 60° | 53° | 57° | — | — |
| 2007 | 69° | 54° | 61° | — | — |
| 2006 | 58° | 51° | 54° | — | — |
| 2005 | 75° | 50° | 63° | — | — |
| 2004 | 54° | 31° | 42° | — | — |
| 2003 | 58° | 36° | 47° | — | — |
| 2002 | 45° | 38° | 41° | 0.08" | — |
| 2001 | 52° | 35° | 43° | — | — |
| 2000 | 72° | 45° | 58° | — | — |
| 1999 | 53° | 40° | 46° | — | — |
| 1998 | 72° | 63° | 67° | 2.84" | — |
| 1997 | 53° | 39° | 46° | — | — |
| 1996 | 75° | 46° | 61° | 1.3" | — |
| 1995 | 77° | 46° | 62° | — | — |
| 1994 | 75° | 59° | 67° | — | — |
| 1993 | 63° | 48° | 55° | 1.78" | — |
| 1992coldest | 47° | 33° | 40° | — | — |
| 1991 | 68° | 46° | 57° | — | — |
| 1990 | 77° | 61° | 69° | — | — |
| 1989 | 54° | 46° | 50° | 0.2" | — |
| 1988 | 73° | 53° | 63° | 1.73" | — |
| 1987 | 74° | 48° | 61° | 1.3" | — |
| 1986 | 58° | 50° | 54° | — | — |
| 1985 | 65° | 46° | 55° | — | — |
| 1984 | 72° | 45° | 58° | 0.18" | — |
| 1983 | 69° | 44° | 57° | — | — |
| 1982 | 56° | 39° | 47° | — | — |
| 1981 | 61° | 47° | 54° | 0.25" | — |
| 1980 | 76° | 62° | 69° | 3" | — |
| 1979 | 62° | 55° | 59° | — | — |
| 1978 | 55° | 38° | 46° | — | — |
| 1977 | 60° | 37° | 49° | — | — |
| 1976 | 50° | 35° | 43° | 0.13" | — |
| 1975 | 53° | 50° | 52° | — | — |
| 1974 | 60° | 46° | 53° | — | — |
| 1973 | 55° | 45° | 50° | — | — |
| 1972 | 50° | 36° | 43° | — | — |
| 1971 | 68° | 55° | 62° | — | — |
55 years of data from CHICAGO GRANT PARK