Weather on October 16
Naperville, IL
55 Years of Data
Avg High
63°F
Avg Low
41°F
Warmest
1998
69°F avg
Coldest
2009
38°F avg
About This Date
October 16th in Naperville, IL typically brings mild fall weather, with average highs around 63°F and lows near 41°F. Over 55 years of records, the warmest October 16th was in 1998 (69°F average), while the coldest was 2009 (38°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 47% of October 16th dates historically, with the wettest October 16th recording 1.32" of rain. The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
Planning for October 16th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 55° | 58° | — | — |
| 2024 | 50° | 31° | 40° | 0.13" | — |
| 2023 | 57° | 43° | 50° | — | — |
| 2022 | 52° | 31° | 41° | — | — |
| 2021 | 61° | 41° | 51° | 0.08" | — |
| 2020 | 57° | 32° | 45° | — | — |
| 2019 | 64° | 45° | 54° | 0.1" | — |
| 2018 | 48° | 31° | 39° | — | — |
| 2017 | 60° | 38° | 49° | 0.03" | — |
| 2016 | 69° | 54° | 61° | — | — |
| 2015 | 70° | 37° | 53° | — | — |
| 2014 | 55° | 50° | 53° | 0.25" | — |
| 2013 | 64° | 44° | 54° | 0.33" | — |
| 2012 | 60° | 36° | 48° | — | — |
| 2011 | 62° | 44° | 53° | 0.08" | — |
| 2010 | 64° | 34° | 49° | — | — |
| 2009coldest | 42° | 33° | 38° | 0.2" | — |
| 2008 | 62° | 38° | 50° | 1.19" | — |
| 2007 | 75° | 50° | 63° | 0.89" | — |
| 2006 | 57° | 48° | 53° | — | — |
| 2005 | 69° | 35° | 52° | — | — |
| 2004 | 54° | 39° | 46° | 0.15" | — |
| 2003 | 55° | 38° | 46° | — | — |
| 2002 | 57° | 32° | 45° | — | — |
| 2001 | 54° | 42° | 48° | 0.08" | — |
| 2000 | 63° | 40° | 51° | 0.08" | — |
| 1999 | 80° | 45° | 62° | 0.43" | — |
| 1998warmest | 82° | 56° | 69° | — | — |
| 1997 | 56° | 38° | 47° | — | — |
| 1996 | 80° | 51° | 66° | 0.46" | — |
| 1995 | 62° | 31° | 46° | — | — |
| 1994 | 72° | 56° | 64° | — | — |
| 1993 | 70° | 59° | 64° | 0.74" | — |
| 1992 | 51° | 42° | 47° | 0.1" | — |
| 1991 | 63° | 26° | 44° | — | — |
| 1990 | 68° | 42° | 55° | 1.3" | — |
| 1989 | 83° | 50° | 66° | — | — |
| 1988 | 77° | 55° | 66° | 0.61" | — |
| 1987 | 75° | 52° | 63° | — | — |
| 1986 | 62° | 34° | 48° | — | — |
| 1985 | 66° | 35° | 51° | — | — |
| 1984 | — | 45° | — | 0.18" | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982 | 55° | 34° | 44° | 0.08" | — |
| 1981 | 64° | 38° | 51° | 0.13" | — |
| 1980 | 74° | 48° | 61° | 1.32" | — |
| 1979 | 62° | 50° | 56° | — | — |
| 1978 | 53° | 33° | 43° | 0.2" | — |
| 1977 | 52° | 30° | 41° | 0.13" | — |
| 1976 | 55° | 32° | 44° | — | — |
| 1975 | 60° | 31° | 45° | — | — |
| 1974 | 65° | 34° | 49° | — | — |
| 1973 | 65° | 37° | 51° | — | — |
| 1972 | 67° | 40° | 53° | 0.25" | — |
| 1971 | 80° | 46° | 63° | — | — |
55 years of data from LISLE - MORTON ARBORETUM