Weather on April 27
Naperville, IL
55 Years of Data
Avg High
65°F
Avg Low
40°F
Warmest
1986
75°F avg
Coldest
1976
37°F avg
About This Date
April 27th in Naperville, IL typically brings mild spring weather, with average highs around 65°F and lows near 40°F — a 25°F daily swing. Over 55 years of records, the warmest April 27th was in 1986 (75°F average), while the coldest was 1976 (37°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 24% of April 27th dates historically, with the wettest April 27th recording 4.6" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for April 27th in Naperville, IL? Great weather for outdoor activities.
Cooling Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 33° | 43° | — | — |
| 2024 | 65° | 44° | 54° | 1.32" | — |
| 2023 | 51° | 27° | 39° | — | — |
| 2022 | 52° | 29° | 40° | — | — |
| 2021 | 79° | 39° | 59° | — | — |
| 2020 | 62° | 33° | 48° | 0.89" | — |
| 2019 | 62° | 37° | 50° | — | — |
| 2018 | 66° | 43° | 54° | — | — |
| 2017 | 73° | 46° | 60° | 1.4" | — |
| 2016 | 56° | 42° | 49° | — | — |
| 2015 | 58° | 33° | 45° | — | — |
| 2014 | 53° | 39° | 46° | — | — |
| 2013 | 51° | 29° | 40° | — | — |
| 2012 | 56° | 28° | 42° | — | — |
| 2011 | 68° | 49° | 58° | 0.2" | — |
| 2010 | 64° | 43° | 53° | — | — |
| 2009 | 72° | 42° | 57° | 1.91" | — |
| 2008 | 58° | 37° | 47° | — | — |
| 2007 | 60° | 44° | 52° | 1.04" | — |
| 2006 | 72° | 38° | 55° | — | — |
| 2005 | 57° | 41° | 49° | — | — |
| 2004 | 60° | 33° | 47° | — | — |
| 2003 | 75° | 32° | 54° | — | — |
| 2002 | 58° | 39° | 48° | — | — |
| 2001 | 77° | 52° | 64° | — | — |
| 2000 | 74° | 35° | 54° | — | — |
| 1999 | 69° | 47° | 58° | — | — |
| 1998 | 56° | 34° | 45° | 1.19" | — |
| 1997 | 67° | 47° | 57° | — | — |
| 1996 | 61° | 28° | 44° | — | — |
| 1995 | 54° | 42° | 48° | 4.6" | — |
| 1994 | 87° | 47° | 67° | — | — |
| 1993 | 68° | 31° | 49° | — | — |
| 1992 | 51° | 35° | 43° | 0.51" | — |
| 1991 | 78° | 58° | 68° | — | — |
| 1990 | 86° | 63° | 74° | — | — |
| 1989 | 74° | 48° | 61° | — | — |
| 1988 | 52° | 36° | 44° | 0.38" | — |
| 1987 | 75° | 36° | 55° | — | — |
| 1986warmest | 90° | 61° | 75° | — | — |
| 1985 | 64° | 42° | 53° | 0.03" | — |
| 1984 | 80° | 63° | 71° | — | — |
| 1983 | 79° | 50° | 64° | — | — |
| 1982 | 54° | 33° | 43° | — | — |
| 1981 | 80° | 43° | 61° | — | — |
| 1980 | 51° | 40° | 45° | — | — |
| 1979 | 52° | 35° | 43° | — | — |
| 1978 | 69° | 34° | 51° | — | — |
| 1977 | 82° | 46° | 64° | — | — |
| 1976coldest | 50° | 25° | 37° | — | — |
| 1975 | 57° | 39° | 48° | 3.3" | — |
| 1974 | 83° | 54° | 68° | — | — |
| 1973 | 59° | 40° | 49° | — | — |
| 1972 | 68° | 28° | 48° | — | — |
| 1971 | 52° | 32° | 42° | 0.56" | — |
55 years of data from WHEATON 3 SE