Weather on April 26
Naperville, IL
55 Years of Data
Avg High
66°F
Avg Low
40°F
Warmest
1994
76°F avg
Coldest
2023
34°F avg
About This Date
April 26th in Naperville, IL typically brings mild spring weather, with average highs around 66°F and lows near 40°F — a 26°F daily swing. Over 55 years of records, the warmest April 26th was in 1994 (76°F average), while the coldest was 2023 (34°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 35% of April 26th dates historically, with the wettest April 26th recording 2.21" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for April 26th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 44° | 51° | 1.4" | — |
| 2024 | 62° | 34° | 48° | — | — |
| 2023coldest | 45° | 24° | 34° | 0.08" | — |
| 2022 | 53° | 37° | 45° | — | — |
| 2021 | 52° | 38° | 45° | — | — |
| 2020 | 46° | 40° | 43° | 1.27" | — |
| 2019 | 70° | 38° | 54° | 0.43" | — |
| 2018 | 60° | 35° | 48° | — | — |
| 2017 | 79° | 57° | 68° | — | — |
| 2016 | 84° | 46° | 65° | — | — |
| 2015 | 44° | 33° | 39° | 0.76" | — |
| 2014 | 71° | 44° | 58° | 0.13" | — |
| 2013 | 51° | 21° | 36° | — | — |
| 2012 | 65° | 45° | 55° | — | — |
| 2011 | 57° | 46° | 52° | 1.45" | — |
| 2010 | 61° | 46° | 53° | 0.28" | — |
| 2009 | 80° | 42° | 61° | 1.5" | — |
| 2008 | 81° | 39° | 60° | 1.6" | — |
| 2007 | 49° | 45° | 47° | 0.94" | — |
| 2006 | 64° | 27° | 45° | 0.3" | — |
| 2005 | 66° | 44° | 55° | — | — |
| 2004 | 60° | 39° | 50° | — | — |
| 2003 | 60° | 35° | 48° | — | — |
| 2002 | 59° | 31° | 45° | — | — |
| 2001 | 78° | 39° | 59° | — | — |
| 2000 | 69° | 32° | 51° | — | — |
| 1999 | 70° | 37° | 53° | — | — |
| 1998 | 60° | 46° | 53° | 0.43" | — |
| 1997 | 68° | 30° | 49° | — | — |
| 1996 | 62° | 38° | 50° | 0.51" | — |
| 1995 | 59° | 48° | 54° | 0.05" | — |
| 1994warmest | 88° | 64° | 76° | 0.25" | — |
| 1993 | 64° | 36° | 50° | — | — |
| 1992 | 54° | 39° | 46° | — | — |
| 1991 | 76° | 42° | 59° | — | — |
| 1990 | 87° | 59° | 73° | 0.3" | — |
| 1989 | 77° | 49° | 63° | — | — |
| 1988 | 68° | 45° | 56° | — | — |
| 1987 | 66° | 39° | 53° | — | — |
| 1986 | 90° | 55° | 72° | — | — |
| 1985 | 73° | 49° | 61° | — | — |
| 1984 | 82° | 43° | 62° | — | — |
| 1983 | 80° | 39° | 60° | — | — |
| 1982 | 70° | 43° | 56° | — | — |
| 1981 | 77° | 41° | 59° | — | — |
| 1980 | 53° | 27° | 40° | — | — |
| 1979 | 62° | 46° | 54° | 2.21" | — |
| 1978 | 63° | 39° | 51° | — | — |
| 1977 | 67° | 28° | 47° | — | — |
| 1976 | 53° | 29° | 41° | 1.98" | — |
| 1975 | 62° | 33° | 48° | — | — |
| 1974 | 84° | 39° | 62° | — | — |
| 1973 | 59° | 39° | 49° | — | — |
| 1972 | 65° | 21° | 43° | — | — |
| 1971 | 66° | 32° | 49° | — | — |
55 years of data from LISLE - MORTON ARBORETUM