Weather on October 12
Naperville, IL
55 Years of Data
Avg High
68°F
Avg Low
43°F
Warmest
1997
72°F avg
Coldest
2006
39°F avg
About This Date
October 12th in Naperville, IL typically brings mild fall weather, with average highs around 68°F and lows near 43°F — a 25°F daily swing. Over 54 years of records, the warmest October 12th was in 1997 (72°F average), while the coldest was 2006 (39°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 26% of October 12th dates historically, with the wettest October 12th recording 2.21" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 12th in Naperville, IL? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 41° | 55° | — | — |
| 2024 | 82° | 45° | 63° | — | — |
| 2023 | 64° | 33° | 49° | 1.96" | — |
| 2022 | 68° | 53° | 61° | 2.06" | — |
| 2021 | 77° | 61° | 69° | 2.21" | — |
| 2020 | 73° | 53° | 63° | — | — |
| 2019 | 64° | 35° | 50° | 1.63" | — |
| 2018 | 52° | 32° | 42° | — | — |
| 2017 | 58° | 54° | 56° | 0.28" | — |
| 2016 | 74° | 57° | 65° | 0.05" | — |
| 2015 | 79° | 48° | 63° | — | — |
| 2014 | 61° | 32° | 46° | — | — |
| 2013 | 76° | 49° | 62° | — | — |
| 2012 | 66° | 36° | 51° | — | — |
| 2011 | 78° | 48° | 63° | — | — |
| 2010 | 82° | 48° | 65° | — | — |
| 2009 | 46° | 32° | 39° | — | — |
| 2008 | 80° | 52° | 66° | — | — |
| 2007 | 55° | 40° | 47° | — | — |
| 2006coldest | 48° | 30° | 39° | 0.25" | — |
| 2005 | 61° | 56° | 58° | — | — |
| 2004 | 63° | 37° | 50° | — | — |
| 2003 | 70° | 45° | 57° | 0.25" | — |
| 2002 | 74° | 46° | 60° | — | — |
| 2001 | 65° | 52° | 58° | 1.17" | — |
| 2000 | 76° | 33° | 54° | — | — |
| 1999 | 75° | 42° | 59° | — | — |
| 1998 | 73° | 44° | 59° | — | — |
| 1997warmest | 81° | 63° | 72° | — | — |
| 1996 | 72° | 35° | 53° | — | — |
| 1995 | 83° | 49° | 66° | — | — |
| 1994 | 71° | 35° | 53° | — | — |
| 1993 | 60° | 39° | 50° | — | — |
| 1992 | 65° | 40° | 52° | — | — |
| 1991 | 67° | 40° | 53° | — | — |
| 1990 | 60° | 30° | 45° | — | — |
| 1989 | 78° | 54° | 66° | — | — |
| 1988 | 52° | 28° | 40° | — | — |
| 1987 | 59° | 25° | 42° | — | — |
| 1985 | 79° | 53° | 66° | 0.38" | — |
| 1984 | — | 58° | — | — | — |
| 1983 | 71° | 45° | 58° | 1.17" | — |
| 1982 | 65° | 43° | 54° | 0.05" | — |
| 1981 | 67° | 41° | 54° | — | — |
| 1980 | 55° | 33° | 44° | — | — |
| 1979 | 50° | 42° | 46° | — | — |
| 1978 | 62° | 46° | 54° | — | — |
| 1977 | 52° | 34° | 43° | — | — |
| 1976 | 79° | 53° | 66° | — | — |
| 1975 | 77° | 35° | 56° | — | — |
| 1974 | 74° | — | — | — | — |
| 1973 | 81° | 62° | 71° | 0.05" | — |
| 1972 | 69° | 51° | 60° | 0.38" | — |
| 1971 | 69° | 30° | 50° | — | — |
54 years of data from LISLE - MORTON ARBORETUM