Weather on June 15
Naperville, IL
55 Years of Data
Avg High
83°F
Avg Low
59°F
Warmest
2022
88°F avg
Coldest
1984
60°F avg
About This Date
June 15th in Naperville, IL typically brings warm summer weather, with average highs around 83°F and lows near 59°F. Over 55 years of records, the warmest June 15th was in 2022 (88°F average), while the coldest was 1984 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 15th dates historically, with the wettest June 15th recording 4.83" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for June 15th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 60° | 68° | — | — |
| 2024 | 86° | 58° | 72° | — | — |
| 2023 | 78° | 53° | 66° | — | — |
| 2022warmest | 98° | 78° | 88° | — | — |
| 2021 | 82° | 53° | 68° | — | — |
| 2020 | — | 44° | — | — | — |
| 2019 | 79° | 57° | 68° | 0.13" | — |
| 2018 | 80° | 64° | 72° | — | — |
| 2017 | 90° | 66° | 78° | 2.82" | — |
| 2016 | 87° | 66° | 77° | 3.3" | — |
| 2015 | 83° | 70° | 76° | 2.06" | — |
| 2014 | 78° | 58° | 68° | — | — |
| 2013 | 78° | 56° | 67° | — | — |
| 2012 | 86° | 52° | 69° | — | — |
| 2011 | 78° | 51° | 65° | 1.14" | — |
| 2010 | 71° | 59° | 65° | 0.03" | — |
| 2009 | 77° | 49° | 63° | — | — |
| 2008 | 83° | 57° | 70° | 1.88" | — |
| 2007 | 91° | 59° | 75° | — | — |
| 2006 | 85° | 58° | 71° | — | — |
| 2005 | 76° | 65° | 70° | — | — |
| 2004 | 84° | 59° | 72° | 0.33" | — |
| 2003 | 79° | 53° | 66° | — | — |
| 2002 | 80° | 54° | 67° | 0.15" | — |
| 2001 | 95° | 67° | 81° | — | — |
| 2000 | 80° | 62° | 71° | 2.34" | — |
| 1999 | 76° | 45° | 60° | — | — |
| 1998 | 83° | 59° | 71° | 0.08" | — |
| 1997 | 89° | 41° | 65° | — | — |
| 1996 | 88° | 55° | 71° | — | — |
| 1995 | 88° | 55° | 71° | — | — |
| 1994 | 96° | 76° | 86° | — | — |
| 1993 | 82° | 54° | 68° | — | — |
| 1992 | 85° | 63° | 74° | — | — |
| 1991 | 95° | 69° | 82° | — | — |
| 1990 | 87° | 54° | 70° | 0.03" | — |
| 1989 | 76° | 54° | 65° | — | — |
| 1988 | 94° | 70° | 82° | — | — |
| 1987 | 97° | 68° | 82° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 77° | 52° | 64° | 1.88" | — |
| 1984coldest | 70° | 50° | 60° | — | — |
| 1983 | 83° | 56° | 69° | 1.04" | — |
| 1982 | 81° | 60° | 70° | 2.16" | — |
| 1981 | 87° | 77° | 82° | — | — |
| 1980 | 86° | 51° | 69° | 1.04" | — |
| 1979 | 91° | 69° | 80° | — | — |
| 1978 | 79° | 63° | 71° | — | — |
| 1977 | 83° | 48° | 65° | — | — |
| 1976 | 94° | 72° | 83° | — | — |
| 1975 | 67° | 60° | 63° | 2.39" | — |
| 1974 | 80° | 58° | 69° | 0.38" | — |
| 1973 | 85° | 59° | 72° | 0.3" | — |
| 1972 | 81° | 57° | 69° | 4.83" | — |
| 1971 | 84° | 56° | 70° | — | — |
55 years of data from WHEATON 3 SE