Weather on October 5
Naperville, IL
55 Years of Data
Avg High
69°F
Avg Low
45°F
Warmest
2005
78°F avg
Coldest
1980
41°F avg
About This Date
October 5th in Naperville, IL typically brings mild fall weather, with average highs around 69°F and lows near 45°F. Over 55 years of records, the warmest October 5th was in 2005 (78°F average), while the coldest was 1980 (41°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 5th dates historically, with the wettest October 5th recording 5.84" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for October 5th 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 | 87° | 61° | 74° | — | — |
| 2024 | 69° | 55° | 62° | — | — |
| 2023 | 82° | 63° | 72° | 1.73" | — |
| 2022 | 73° | 37° | 55° | — | — |
| 2021 | 76° | 62° | 69° | — | — |
| 2020 | 56° | 29° | 42° | — | — |
| 2019 | 60° | 44° | 52° | — | — |
| 2018 | 59° | 47° | 53° | 1.02" | — |
| 2017 | 72° | 48° | 60° | 0.23" | — |
| 2016 | 75° | 59° | 67° | — | — |
| 2015 | 58° | 47° | 52° | — | — |
| 2014 | 48° | 35° | 42° | 0.13" | — |
| 2013 | 75° | 60° | 68° | — | — |
| 2012 | 78° | 41° | 60° | 0.25" | — |
| 2011 | 74° | 38° | 56° | — | — |
| 2010 | 61° | 32° | 46° | — | — |
| 2009 | 63° | 38° | 50° | — | — |
| 2008 | 62° | 37° | 50° | — | — |
| 2007 | 83° | 46° | 64° | — | — |
| 2006 | 60° | 50° | 55° | 0.18" | — |
| 2005warmest | 88° | 68° | 78° | — | — |
| 2004 | 61° | 28° | 44° | — | — |
| 2003 | 63° | 41° | 52° | — | — |
| 2002 | 71° | 41° | 56° | 1.91" | — |
| 2001 | 58° | 46° | 52° | 4.19" | — |
| 2000 | 63° | 51° | 57° | — | — |
| 1999 | 66° | 34° | 50° | — | — |
| 1998 | 69° | 54° | 61° | 0.25" | — |
| 1997 | 89° | 49° | 69° | 0.03" | — |
| 1996 | 74° | 38° | 56° | — | — |
| 1995 | 72° | 52° | 62° | — | — |
| 1994 | 60° | 38° | 49° | — | — |
| 1993 | 65° | 33° | 49° | — | — |
| 1992 | 69° | 39° | 54° | — | — |
| 1991 | 64° | 42° | 53° | 5.84" | — |
| 1990 | 86° | 52° | 69° | 0.05" | — |
| 1989 | 61° | 40° | 50° | — | — |
| 1988 | 57° | 35° | 46° | — | — |
| 1987 | 69° | 50° | 60° | — | — |
| 1986 | 66° | 42° | 54° | — | — |
| 1985 | 58° | 45° | 51° | 0.51" | — |
| 1984 | — | 49° | — | — | — |
| 1983 | 72° | 51° | 61° | — | — |
| 1982 | 85° | 54° | 69° | — | — |
| 1981 | 71° | 46° | 59° | — | — |
| 1980coldest | 55° | 27° | 41° | — | — |
| 1979 | 56° | 35° | 45° | — | — |
| 1978 | 60° | 48° | 54° | 0.43" | — |
| 1977 | 68° | 53° | 61° | — | — |
| 1976 | 80° | 46° | 63° | 0.23" | — |
| 1975 | 75° | 40° | 57° | — | — |
| 1974 | 79° | 45° | 62° | 0.05" | — |
| 1973 | 70° | 42° | 56° | — | — |
| 1972 | 68° | 57° | 63° | — | — |
| 1971 | 77° | 41° | 59° | — | — |
55 years of data from LISLE - MORTON ARBORETUM