Weather on June 28
Naperville, IL
55 Years of Data
Avg High
85°F
Avg Low
61°F
Warmest
1971
85°F avg
Coldest
2015
63°F avg
About This Date
June 28th in Naperville, IL typically brings warm summer weather, with average highs around 85°F and lows near 61°F. Over 55 years of records, the warmest June 28th was in 1971 (85°F average), while the coldest was 2015 (63°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 28th dates historically, with the wettest June 28th recording 8.18" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for June 28th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 60° | 73° | — | — |
| 2024 | 74° | 57° | 65° | — | — |
| 2023 | 78° | 50° | 64° | — | — |
| 2022 | 78° | 52° | 65° | — | — |
| 2021 | 83° | 65° | 74° | 0.18" | — |
| 2020 | 88° | 67° | 77° | — | — |
| 2019 | 90° | 69° | 79° | 0.05" | — |
| 2018 | 83° | 62° | 72° | — | — |
| 2017 | 77° | 51° | 64° | — | — |
| 2016 | 89° | 62° | 76° | — | — |
| 2015coldest | 76° | 51° | 63° | — | — |
| 2014 | 88° | 64° | 76° | — | — |
| 2013 | 90° | 66° | 78° | — | — |
| 2012 | 92° | 55° | 73° | — | — |
| 2011 | 81° | 62° | 71° | 0.2" | — |
| 2010 | 85° | 67° | 76° | 1.63" | — |
| 2009 | 93° | 59° | 76° | 0.43" | — |
| 2008 | 83° | 69° | 76° | — | — |
| 2007 | 89° | 67° | 78° | 0.03" | — |
| 2006 | 80° | 56° | 68° | — | — |
| 2005 | 94° | 76° | 85° | — | — |
| 2004 | 76° | 59° | 67° | 0.08" | — |
| 2003 | 76° | 59° | 67° | — | — |
| 2002 | 89° | 59° | 74° | — | — |
| 2001 | 90° | 62° | 76° | — | — |
| 2000 | 78° | 53° | 66° | — | — |
| 1999 | 89° | 68° | 79° | 0.1" | — |
| 1998 | 97° | 66° | 81° | 0.41" | — |
| 1997 | 91° | 57° | 74° | — | — |
| 1996 | 85° | 67° | 76° | — | — |
| 1995 | 79° | 64° | 71° | 2.67" | — |
| 1994 | 86° | 61° | 73° | — | — |
| 1993 | 86° | 61° | 73° | 2.29" | — |
| 1992 | 82° | 48° | 65° | — | — |
| 1991 | 93° | 69° | 81° | — | — |
| 1990 | 82° | 64° | 73° | — | — |
| 1989 | 79° | 60° | 69° | — | — |
| 1988 | 89° | 55° | 72° | — | — |
| 1987 | 85° | 56° | 70° | — | — |
| 1986 | 92° | 69° | 80° | — | — |
| 1985 | 84° | 64° | 74° | — | — |
| 1984 | 82° | 55° | 69° | — | — |
| 1983 | 73° | 63° | 68° | 8.18" | — |
| 1982 | 80° | 65° | 72° | 2.11" | — |
| 1981 | 84° | 63° | 73° | — | — |
| 1980 | 88° | 66° | 77° | 1.65" | — |
| 1979 | 86° | 60° | 73° | 0.25" | — |
| 1978 | 88° | 60° | 74° | 0.08" | — |
| 1977 | 90° | 67° | 78° | — | — |
| 1976 | 90° | 63° | 76° | 0.69" | — |
| 1975 | 88° | 66° | 77° | 0.74" | — |
| 1974 | 81° | 49° | 65° | — | — |
| 1973 | 76° | 55° | 65° | 0.91" | — |
| 1972 | 84° | 53° | 69° | 1.09" | — |
| 1971warmest | 98° | 71° | 85° | — | — |
55 years of data from LISLE - MORTON ARBORETUM