Weather on August 11
Naperville, IL
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
1995
82°F avg
Coldest
2008
56°F avg
About This Date
August 11th in Naperville, IL typically brings warm summer weather, with average highs around 84°F and lows near 61°F. Over 54 years of records, the warmest August 11th was in 1995 (82°F average), while the coldest was 2008 (56°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 11th dates historically, with the wettest August 11th recording 7.06" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for August 11th 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 | 88° | 73° | 80° | 0.05" | — |
| 2024 | 74° | 52° | 63° | — | — |
| 2023 | 84° | 61° | 72° | — | — |
| 2022 | 84° | 59° | 72° | — | — |
| 2021 | 92° | 69° | 80° | 1.55" | — |
| 2020 | 89° | 62° | 76° | 1.3" | — |
| 2019 | 85° | 60° | 72° | — | — |
| 2018 | 85° | 60° | 72° | — | — |
| 2017 | 83° | 61° | 72° | 0.25" | — |
| 2016 | 89° | 68° | 79° | — | — |
| 2015 | 84° | 60° | 72° | 0.99" | — |
| 2014 | 82° | 66° | 74° | 2.13" | — |
| 2013 | 82° | 54° | 68° | — | — |
| 2012 | 77° | 52° | 64° | — | — |
| 2011 | 79° | 56° | 67° | — | — |
| 2010 | 89° | 74° | 81° | — | — |
| 2009 | 83° | 55° | 69° | — | — |
| 2008coldest | 65° | 47° | 56° | — | — |
| 2007 | 87° | 63° | 75° | — | — |
| 2006 | 78° | 67° | 72° | 0.51" | — |
| 2005 | 89° | 65° | 77° | — | — |
| 2004 | 64° | 55° | 60° | — | — |
| 2003 | 83° | 58° | 70° | — | — |
| 2002 | 95° | 65° | 80° | — | — |
| 2001 | 83° | 58° | 70° | — | — |
| 2000 | 87° | 61° | 74° | — | — |
| 1999 | 90° | 62° | 76° | — | — |
| 1998 | 88° | 61° | 74° | — | — |
| 1997 | 84° | 64° | 74° | 1.45" | — |
| 1996 | 79° | 57° | 68° | — | — |
| 1995warmest | 94° | 71° | 82° | — | — |
| 1994 | 68° | 59° | 64° | 7.06" | — |
| 1993 | 90° | 67° | 78° | — | — |
| 1992 | 89° | 57° | 73° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 85° | 63° | 74° | 0.79" | — |
| 1989 | 82° | 59° | 71° | — | — |
| 1988 | 93° | 70° | 81° | 2.69" | — |
| 1987 | 86° | 63° | 74° | — | — |
| 1985 | 82° | 54° | 68° | — | — |
| 1984 | 84° | 62° | 73° | — | — |
| 1983 | 91° | 63° | 77° | — | — |
| 1982 | 76° | 48° | 62° | — | — |
| 1981 | 80° | 56° | 68° | — | — |
| 1980 | 77° | 63° | 70° | 0.43" | — |
| 1979 | 73° | 55° | 64° | — | — |
| 1978 | 83° | 65° | 74° | 0.36" | — |
| 1977 | 85° | 59° | 72° | 0.08" | — |
| 1976 | 86° | 67° | 76° | — | — |
| 1975 | 89° | 63° | 76° | 0.38" | — |
| 1974 | 86° | 67° | 76° | 1.17" | — |
| 1973 | 90° | 62° | 76° | 0.66" | — |
| 1972 | 75° | 57° | 66° | 1.45" | — |
| 1971 | 90° | 56° | 73° | 1.5" | — |
54 years of data from WHEATON 3 SE