Weather on October 2
Naperville, IL
55 Years of Data
Avg High
72°F
Avg Low
47°F
Warmest
2000
76°F avg
Coldest
1974
35°F avg
About This Date
October 2nd in Naperville, IL typically brings pleasant fall weather, with average highs around 72°F and lows near 47°F — a 25°F daily swing. Over 55 years of records, the warmest October 2nd was in 2000 (76°F average), while the coldest was 1974 (35°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 24% of October 2nd dates historically, with the wettest October 2nd recording 3.91" 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 2nd in Naperville, IL? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 52° | 65° | — | — |
| 2024 | 69° | 38° | 53° | — | — |
| 2023 | 83° | 53° | 68° | — | — |
| 2022 | 70° | 47° | 58° | — | — |
| 2021 | 86° | 55° | 71° | — | — |
| 2020 | 58° | 37° | 47° | 0.13" | — |
| 2019 | 87° | 61° | 74° | 0.2" | — |
| 2018 | 74° | 56° | 65° | 3.81" | — |
| 2017 | 72° | 42° | 57° | — | — |
| 2016 | 64° | 55° | 60° | 2.41" | — |
| 2015 | 62° | 46° | 54° | — | — |
| 2014 | 72° | 49° | 60° | — | — |
| 2013 | 79° | 60° | 69° | — | — |
| 2012 | 66° | 42° | 54° | — | — |
| 2011 | 67° | 31° | 49° | — | — |
| 2010 | 73° | 41° | 57° | 0.46" | — |
| 2009 | 52° | 46° | 49° | 0.76" | — |
| 2008 | 61° | 37° | 49° | — | — |
| 2007 | 71° | 56° | 63° | 0.18" | — |
| 2006 | 80° | 55° | 68° | 0.13" | — |
| 2005 | 83° | 58° | 70° | — | — |
| 2004 | 74° | 36° | 55° | 1.14" | — |
| 2003 | 54° | 28° | 41° | — | — |
| 2002 | 80° | 65° | 72° | 1.07" | — |
| 2001 | 84° | 47° | 65° | — | — |
| 2000warmest | 85° | 67° | 76° | — | — |
| 1999 | 65° | 43° | 54° | — | — |
| 1998 | 65° | 36° | 50° | — | — |
| 1997 | 81° | 40° | 60° | — | — |
| 1996 | 79° | 58° | 68° | — | — |
| 1995 | 81° | 45° | 63° | — | — |
| 1994 | 62° | 51° | 57° | — | — |
| 1993 | 68° | 38° | 53° | — | — |
| 1992 | 80° | 50° | 65° | — | — |
| 1991 | 78° | 61° | 69° | — | — |
| 1990 | 75° | 38° | 56° | — | — |
| 1989 | 67° | 54° | 60° | — | — |
| 1988 | 70° | 52° | 61° | 1.7" | — |
| 1987 | 72° | 40° | 56° | — | — |
| 1986 | 64° | 59° | 62° | — | — |
| 1985 | 64° | 30° | 47° | — | — |
| 1984 | — | 35° | — | — | — |
| 1983 | 85° | 50° | 67° | — | — |
| 1982 | 81° | 54° | 67° | — | — |
| 1981 | 54° | 35° | 44° | — | — |
| 1980 | 70° | 44° | 57° | — | — |
| 1979 | 60° | 54° | 57° | 3.91" | — |
| 1978 | 72° | 46° | 59° | — | — |
| 1977 | 62° | 45° | 53° | — | — |
| 1976 | 84° | 45° | 64° | — | — |
| 1975 | 58° | 35° | 46° | — | — |
| 1974coldest | 51° | 20° | 35° | — | — |
| 1973 | 71° | 55° | 63° | 1.24" | — |
| 1972 | 78° | 46° | 62° | — | — |
| 1971 | 89° | 60° | 75° | — | — |
55 years of data from WHEATON 3 SE