Weather on April 30
Naperville, IL
55 Years of Data
Avg High
66°F
Avg Low
43°F
Warmest
2010
70°F avg
Coldest
2008
37°F avg
About This Date
April 30th in Naperville, IL typically brings mild spring weather, with average highs around 66°F and lows near 43°F. Over 55 years of records, the warmest April 30th was in 2010 (70°F average), while the coldest was 2008 (37°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 51% of April 30th dates historically, with the wettest April 30th recording 5.21" of rain. The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
Planning for April 30th 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 | 73° | 40° | 56° | — | — |
| 2024 | 68° | 44° | 56° | 0.03" | — |
| 2023 | 56° | 36° | 46° | 0.38" | — |
| 2022 | 67° | 50° | 58° | 0.13" | — |
| 2021 | 71° | 40° | 55° | 0.13" | — |
| 2020 | 55° | 42° | 49° | 4.37" | — |
| 2019 | 51° | 39° | 45° | 1.02" | — |
| 2018 | 62° | 25° | 43° | — | — |
| 2017 | 45° | 39° | 42° | 5.21" | — |
| 2016 | 52° | 42° | 47° | 0.05" | — |
| 2015 | 64° | 39° | 52° | — | — |
| 2014 | 60° | 46° | 53° | 1.6" | — |
| 2013 | 72° | 50° | 61° | — | — |
| 2012 | 57° | 43° | 50° | 0.61" | — |
| 2011 | 63° | 35° | 49° | — | — |
| 2010warmest | 80° | 61° | 70° | — | — |
| 2009 | 69° | 54° | 61° | 1.45" | — |
| 2008coldest | 47° | 28° | 37° | — | — |
| 2007 | 83° | 49° | 66° | 0.79" | — |
| 2006 | 58° | 53° | 55° | 2.16" | — |
| 2005 | 57° | 31° | 44° | — | — |
| 2004 | 79° | 47° | 63° | 0.18" | — |
| 2003 | 68° | 45° | 56° | 1.12" | — |
| 2002 | 65° | 46° | 55° | — | — |
| 2001 | 87° | 47° | 67° | — | — |
| 2000 | 75° | 35° | 55° | — | — |
| 1999 | 70° | 33° | 51° | — | — |
| 1998 | 66° | 50° | 58° | 0.18" | — |
| 1997 | 76° | 54° | 65° | — | — |
| 1996 | 53° | 34° | 43° | 0.71" | — |
| 1995 | 53° | 41° | 47° | 0.46" | — |
| 1994 | 55° | 36° | 45° | — | — |
| 1993 | 73° | 45° | 59° | 0.3" | — |
| 1992 | 70° | 42° | 56° | 0.03" | — |
| 1991 | 72° | 50° | 61° | 0.56" | — |
| 1990 | 63° | 53° | 58° | — | — |
| 1989 | 63° | 37° | 50° | — | — |
| 1988 | 75° | 34° | 54° | — | — |
| 1987 | 74° | 38° | 56° | — | — |
| 1986 | 77° | 55° | 66° | 0.43" | — |
| 1985 | 78° | 40° | 59° | — | — |
| 1984 | 68° | 40° | 54° | 1.02" | — |
| 1983 | 66° | 49° | 57° | 1.98" | — |
| 1982 | 71° | 46° | 59° | — | — |
| 1981 | 56° | 44° | 50° | — | — |
| 1980 | 60° | 45° | 52° | — | — |
| 1979 | 50° | 38° | 44° | 0.91" | — |
| 1978 | 52° | — | — | — | — |
| 1977 | 72° | 31° | 51° | — | — |
| 1976 | 62° | 38° | 50° | — | — |
| 1975 | 76° | 50° | 63° | 0.51" | — |
| 1974 | 67° | 55° | 61° | 0.18" | — |
| 1973 | 72° | 50° | 61° | 0.64" | — |
| 1972 | 71° | 49° | 60° | — | — |
| 1971 | 64° | 30° | 47° | — | — |
55 years of data from LISLE - MORTON ARBORETUM