Weather on April 17
Naperville, IL
55 Years of Data
Avg High
63°F
Avg Low
37°F
Warmest
2002
77°F avg
Coldest
2018
31°F avg
About This Date
April 17th in Naperville, IL typically brings mild spring weather, with average highs around 63°F and lows near 37°F — a 26°F daily swing. Over 55 years of records, the warmest April 17th was in 2002 (77°F average), while the coldest was 2018 (31°F) — a 46°F range across recorded history. Precipitation has occurred on 47% of recorded April 17th dates, with snow falling 4% of the time (heaviest snowfall: 2.4"). The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
Planning for April 17th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 28° | 41° | — | — |
| 2024 | 79° | 52° | 65° | 0.13" | — |
| 2023 | 46° | 28° | 37° | 0.76" | 0.2" |
| 2022 | 48° | 24° | 36° | — | — |
| 2021 | 60° | 30° | 45° | — | — |
| 2020 | 46° | 32° | 39° | 0.81" | 2.4" |
| 2019 | 74° | 46° | 60° | — | — |
| 2018coldest | 35° | 26° | 31° | 0.03" | — |
| 2017 | 73° | 39° | 56° | 0.03" | — |
| 2016 | 77° | 39° | 58° | — | — |
| 2015 | 67° | 42° | 54° | — | — |
| 2014 | 53° | 32° | 43° | — | — |
| 2013 | 58° | 38° | 48° | — | — |
| 2012 | 56° | 36° | 46° | 0.03" | — |
| 2011 | 44° | 34° | 39° | 0.28" | — |
| 2010 | 67° | 33° | 50° | — | — |
| 2009 | 65° | 29° | 47° | — | — |
| 2008 | 72° | 46° | 59° | — | — |
| 2007 | 64° | 30° | 47° | — | — |
| 2006 | 60° | 44° | 52° | 2.97" | — |
| 2005 | 77° | 53° | 65° | 0.05" | — |
| 2004 | 84° | 53° | 69° | 0.08" | — |
| 2003 | 55° | 40° | 47° | 0.03" | — |
| 2002warmest | 89° | 65° | 77° | 0.38" | — |
| 2001 | 49° | 28° | 38° | 0.05" | — |
| 2000 | 53° | 39° | 46° | 2.72" | — |
| 1999 | 51° | 33° | 42° | 0.69" | — |
| 1998 | 58° | 29° | 43° | — | — |
| 1997 | 54° | 30° | 42° | — | — |
| 1996 | 66° | 25° | 45° | — | — |
| 1995 | 66° | 39° | 53° | 0.3" | — |
| 1994 | 69° | 40° | 54° | — | — |
| 1993 | 53° | 29° | 41° | 0.15" | — |
| 1992 | 60° | 38° | 49° | 0.23" | — |
| 1991 | 62° | 37° | 50° | 0.08" | — |
| 1990 | 61° | 30° | 45° | 0.08" | — |
| 1989 | 74° | 43° | 58° | 0.33" | — |
| 1988 | 76° | 41° | 58° | — | — |
| 1987 | 65° | 42° | 53° | — | — |
| 1986 | 60° | 35° | 48° | — | — |
| 1985 | 77° | 38° | 57° | — | — |
| 1984 | 45° | 35° | 40° | 0.25" | — |
| 1983 | 42° | 25° | 33° | 0.18" | — |
| 1982 | 62° | 32° | 47° | 2.08" | — |
| 1981 | 81° | 43° | 62° | 0.15" | — |
| 1980 | 60° | 27° | 43° | — | — |
| 1979 | 62° | 29° | 45° | — | — |
| 1978 | 57° | 27° | 42° | — | — |
| 1977 | 88° | 51° | 69° | — | — |
| 1976 | 85° | 65° | 75° | — | — |
| 1975 | 70° | 38° | 54° | — | — |
| 1974 | 66° | 32° | 49° | — | — |
| 1973 | 65° | 30° | 47° | — | — |
| 1972 | 74° | 31° | 52° | — | — |
| 1971 | 74° | 55° | 64° | 0.18" | — |
55 years of data from LISLE - MORTON ARBORETUM