Weather on October 11
Naperville, IL
55 Years of Data
Avg High
68°F
Avg Low
42°F
Warmest
2021
75°F avg
Coldest
2009
33°F avg
About This Date
October 11th in Naperville, IL typically brings mild fall weather, with average highs around 68°F and lows near 42°F — a 26°F daily swing. Over 54 years of records, the warmest October 11th was in 2021 (75°F average), while the coldest was 2009 (33°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 11th dates historically, with the wettest October 11th recording 5.08" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for October 11th in Naperville, IL? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 43° | 54° | — | — |
| 2024 | 72° | 43° | 57° | — | — |
| 2023 | 62° | 30° | 46° | — | — |
| 2022 | 73° | 40° | 56° | — | — |
| 2021warmest | 80° | 69° | 75° | — | — |
| 2020 | 77° | 53° | 65° | — | — |
| 2019 | 69° | 51° | 60° | 0.53" | — |
| 2018 | 74° | 42° | 58° | 1.4" | — |
| 2017 | 65° | 56° | 60° | 5.08" | — |
| 2016 | 72° | 42° | 57° | — | — |
| 2015 | 66° | 37° | 52° | — | — |
| 2014 | 58° | 31° | 44° | — | — |
| 2013 | 71° | 42° | 57° | — | — |
| 2012 | 52° | 30° | 41° | — | — |
| 2011 | 77° | 47° | 62° | — | — |
| 2010 | 84° | 50° | 67° | — | — |
| 2009coldest | 39° | 26° | 33° | — | — |
| 2008 | 73° | 38° | 55° | — | — |
| 2007 | 55° | 46° | 51° | — | — |
| 2006 | 58° | 47° | 52° | 1.32" | — |
| 2005 | 63° | 54° | 58° | — | — |
| 2004 | 64° | 37° | 51° | — | — |
| 2003 | 78° | 55° | 67° | — | — |
| 2002 | 75° | 42° | 59° | — | — |
| 2001 | 68° | 49° | 58° | 0.71" | — |
| 2000 | 70° | 31° | 50° | — | — |
| 1999 | 78° | 40° | 59° | — | — |
| 1998 | 73° | 39° | 56° | — | — |
| 1997 | 79° | 43° | 61° | — | — |
| 1996 | 60° | 27° | 43° | — | — |
| 1995 | 80° | 40° | 60° | — | — |
| 1994 | 65° | 32° | 48° | — | — |
| 1993 | 59° | 30° | 45° | — | — |
| 1992 | 64° | 42° | 53° | — | — |
| 1991 | 66° | 48° | 57° | 0.08" | — |
| 1990 | 60° | 32° | 46° | 0.99" | — |
| 1989 | 79° | 35° | 57° | — | — |
| 1988 | 67° | 35° | 51° | — | — |
| 1987 | 49° | 27° | 38° | 0.1" | — |
| 1985 | 59° | 38° | 48° | 0.23" | — |
| 1984 | — | 57° | — | — | — |
| 1983 | 75° | 44° | 60° | — | — |
| 1982 | 65° | 47° | 56° | — | — |
| 1981 | 65° | 37° | 51° | — | — |
| 1980 | 68° | 45° | 56° | — | — |
| 1979 | 58° | 44° | 51° | — | — |
| 1978 | 62° | 50° | 56° | — | — |
| 1977 | 62° | 37° | 50° | 0.53" | — |
| 1976 | 68° | 35° | 52° | — | — |
| 1975 | 70° | 34° | 52° | — | — |
| 1974 | 74° | 45° | 59° | — | — |
| 1973 | 81° | 64° | 72° | — | — |
| 1972 | 70° | 50° | 60° | 2.49" | — |
| 1971 | 63° | 44° | 53° | — | — |
54 years of data from LISLE - MORTON ARBORETUM