Weather on April 15
Naperville, IL
55 Years of Data
Avg High
62°F
Avg Low
39°F
Warmest
2002
76°F avg
Coldest
2019
32°F avg
About This Date
April 15th in Naperville, IL typically brings mild spring weather, with average highs around 62°F and lows near 39°F. Over 55 years of records, the warmest April 15th was in 2002 (76°F average), while the coldest was 2019 (32°F) — a 44°F range across recorded history. Precipitation has occurred on 38% of recorded April 15th dates, with snow falling 5% of the time (heaviest snowfall: 3.8"). The last decade has been 8.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 8.8°F cooler on this date compared to 20-30 years ago.
Planning for April 15th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 38° | 50° | 0.08" | — |
| 2024 | 82° | 48° | 65° | — | — |
| 2023 | 81° | 51° | 66° | — | — |
| 2022 | 52° | 36° | 44° | — | — |
| 2021 | 53° | 37° | 45° | — | — |
| 2020 | 40° | 26° | 33° | 0.18" | 1" |
| 2019coldest | 36° | 29° | 32° | 1.98" | 3.8" |
| 2018 | 39° | 33° | 36° | 1.78" | — |
| 2017 | 75° | 49° | 62° | 0.41" | — |
| 2016 | 63° | 39° | 51° | — | — |
| 2015 | 68° | 33° | 51° | — | — |
| 2014 | 42° | 25° | 33° | 0.53" | 0.8" |
| 2013 | 71° | 38° | 54° | — | — |
| 2012 | 67° | 53° | 60° | 2.9" | — |
| 2011 | 49° | 38° | 43° | — | — |
| 2010 | 83° | 50° | 66° | — | — |
| 2009 | 45° | 36° | 40° | — | — |
| 2008 | 51° | 25° | 38° | — | — |
| 2007 | 49° | 24° | 36° | — | — |
| 2006 | 79° | 48° | 63° | — | — |
| 2005 | 65° | 30° | 47° | — | — |
| 2004 | 74° | 35° | 54° | — | — |
| 2003 | 85° | 62° | 73° | — | — |
| 2002warmest | 90° | 62° | 76° | — | — |
| 2001 | 68° | 45° | 56° | 1.57" | — |
| 2000 | 79° | 51° | 65° | — | — |
| 1999 | 65° | 45° | 55° | — | — |
| 1998 | 71° | 44° | 58° | 0.08" | — |
| 1997 | 68° | 29° | 48° | — | — |
| 1996 | 48° | 32° | 40° | 1.85" | — |
| 1995 | 59° | 38° | 48° | — | — |
| 1994 | 71° | 50° | 61° | 0.15" | — |
| 1993 | 50° | 43° | 46° | 2.59" | — |
| 1992 | 62° | 39° | 51° | — | — |
| 1991 | 68° | 42° | 55° | 4.75" | — |
| 1990 | 61° | 41° | 51° | 1.47" | — |
| 1989 | 65° | 30° | 47° | — | — |
| 1988 | 53° | 33° | 43° | — | — |
| 1987 | 57° | 43° | 50° | 2.16" | — |
| 1986 | 47° | 30° | 38° | 1.57" | — |
| 1985 | 66° | 49° | 57° | 0.3" | — |
| 1984 | 56° | 43° | 49° | — | — |
| 1983 | 44° | 29° | 36° | 0.03" | — |
| 1982 | 73° | 41° | 57° | — | — |
| 1981 | 59° | 27° | 43° | — | — |
| 1980 | 47° | 33° | 40° | 0.69" | — |
| 1979 | 58° | 41° | 49° | — | — |
| 1978 | 55° | 28° | 42° | — | — |
| 1977 | 81° | — | — | — | — |
| 1976 | 83° | 62° | 72° | — | — |
| 1975 | 57° | 28° | 43° | 0.25" | — |
| 1974 | 56° | 36° | 46° | — | — |
| 1973 | 77° | 45° | 61° | — | — |
| 1972 | 59° | 42° | 51° | 0.28" | — |
| 1971 | 71° | 27° | 49° | — | — |
55 years of data from LISLE - MORTON ARBORETUM