Weather on July 3
Naperville, IL
55 Years of Data
Avg High
85°F
Avg Low
60°F
Warmest
1974
83°F avg
Coldest
2014
61°F avg
About This Date
July 3rd in Naperville, IL typically brings warm summer weather, with average highs around 85°F and lows near 60°F — a 25°F daily swing. Over 55 years of records, the warmest July 3rd was in 1974 (83°F average), while the coldest was 2014 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 29% of July 3rd dates historically, with the wettest July 3rd recording 6.6" of rain. The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for July 3rd in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 63° | 75° | — | — |
| 2024 | 84° | 66° | 75° | 0.51" | — |
| 2023 | 72° | 57° | 64° | 6.6" | — |
| 2022 | 87° | 60° | 74° | — | — |
| 2021 | 76° | 57° | 66° | — | — |
| 2020 | 90° | 60° | 75° | — | — |
| 2019 | 91° | 70° | 80° | 6.45" | — |
| 2018 | 86° | 57° | 72° | — | — |
| 2017 | 88° | 55° | 71° | — | — |
| 2016 | 75° | 51° | 63° | — | — |
| 2015 | 71° | 53° | 62° | — | — |
| 2014coldest | 70° | 52° | 61° | 0.56" | — |
| 2013 | 68° | 59° | 64° | 0.36" | — |
| 2012 | 96° | 70° | 83° | — | — |
| 2011 | 92° | 64° | 78° | — | — |
| 2010 | 83° | 53° | 68° | — | — |
| 2009 | 73° | 56° | 64° | — | — |
| 2008 | 87° | 60° | 74° | 0.13" | — |
| 2007 | 79° | 56° | 67° | — | — |
| 2006 | 85° | 67° | 76° | 0.56" | — |
| 2005 | 84° | 53° | 69° | — | — |
| 2004 | 85° | 66° | 75° | — | — |
| 2003 | 93° | 61° | 77° | — | — |
| 2002 | 95° | 68° | 82° | — | — |
| 2001 | 78° | 63° | 70° | — | — |
| 2000 | 88° | 65° | 76° | 4.19" | — |
| 1999 | 91° | 76° | 83° | — | — |
| 1998 | 89° | 65° | 77° | — | — |
| 1997 | 85° | 64° | 74° | — | — |
| 1996 | 83° | 57° | 70° | — | — |
| 1995 | 83° | 60° | 71° | — | — |
| 1994 | 82° | 56° | 69° | 0.05" | — |
| 1993 | 90° | 66° | 78° | — | — |
| 1992 | 88° | — | — | 2.34" | — |
| 1991 | 93° | 68° | 81° | — | — |
| 1990 | 90° | 63° | 76° | — | — |
| 1989 | 83° | 64° | 73° | 1.65" | — |
| 1988 | 86° | 49° | 67° | — | — |
| 1987 | 88° | 69° | 78° | — | — |
| 1986 | 79° | 50° | 64° | 0.3" | — |
| 1985 | 85° | 55° | 70° | 1.57" | — |
| 1984 | 86° | 58° | 72° | — | — |
| 1983 | 88° | 65° | 76° | — | — |
| 1982 | 83° | 66° | 74° | 1.85" | — |
| 1981 | 85° | 60° | 72° | — | — |
| 1980 | 82° | 50° | 66° | — | — |
| 1979 | 82° | 54° | 68° | — | — |
| 1978 | 79° | 62° | 70° | — | — |
| 1977 | 88° | 60° | 74° | — | — |
| 1976 | 80° | 51° | 66° | — | — |
| 1975 | 87° | 69° | 78° | — | — |
| 1974warmest | 95° | 72° | 83° | — | — |
| 1973 | 91° | 63° | 77° | 0.66" | — |
| 1972 | 75° | 52° | 63° | 0.03" | — |
| 1971 | 88° | 54° | 71° | — | — |
55 years of data from WHEATON 3 SE