Weather on August 11
Joliet, IL
55 Years of Data
Avg High
82°F
Avg Low
62°F
Warmest
2021
83°F avg
Coldest
2004
59°F avg
About This Date
August 11th in Joliet, IL typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 53 years of records, the warmest August 11th was in 2021 (83°F average), while the coldest was 2004 (59°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 32% of August 11th dates historically, with the wettest August 11th recording 5.66" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 11th in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 74° | 80° | — | — |
| 2024 | 74° | 53° | 63° | — | — |
| 2023 | 82° | 63° | 72° | — | — |
| 2022 | 82° | 58° | 70° | — | — |
| 2021warmest | 95° | 72° | 83° | 0.28" | — |
| 2020 | 74° | 59° | 66° | 2.39" | — |
| 2019 | 83° | 62° | 72° | — | — |
| 2018 | 88° | 64° | 76° | — | — |
| 2017 | 81° | 60° | 70° | 0.05" | — |
| 2016 | 88° | 69° | 78° | — | — |
| 2015 | 84° | 65° | 74° | 0.25" | — |
| 2014 | 79° | 66° | 72° | 5.66" | — |
| 2013 | 83° | 60° | 71° | — | — |
| 2012 | 77° | 55° | 66° | — | — |
| 2011 | 76° | 58° | 67° | — | — |
| 2010 | 89° | 75° | 82° | — | — |
| 2009 | 83° | 69° | 76° | — | — |
| 2008 | 74° | 57° | 65° | — | — |
| 2007 | 87° | 67° | 77° | — | — |
| 2006 | 76° | 67° | 71° | 4.45" | — |
| 2005 | 89° | 71° | 80° | — | — |
| 2004coldest | 65° | 54° | 59° | — | — |
| 2003 | 84° | 63° | 73° | — | — |
| 2002 | 91° | 64° | 78° | — | — |
| 2001 | 82° | 63° | 72° | — | — |
| 2000 | 87° | 65° | 76° | — | — |
| 1999 | 88° | 66° | 77° | — | — |
| 1998 | 86° | 66° | 76° | — | — |
| 1997 | 82° | 64° | 73° | 1.6" | — |
| 1996 | 78° | 61° | 69° | — | — |
| 1995 | 88° | 70° | 79° | — | — |
| 1994 | 67° | 56° | 61° | 1.83" | — |
| 1993 | 83° | 61° | 72° | — | — |
| 1992 | 87° | 62° | 75° | — | — |
| 1991 | 85° | 56° | 70° | — | — |
| 1990 | 81° | 63° | 72° | 0.03" | — |
| 1989 | 81° | 61° | 71° | — | — |
| 1988 | 80° | 73° | 77° | 1.4" | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 81° | 58° | 69° | — | — |
| 1984 | 87° | 65° | 76° | — | — |
| 1983 | 81° | 61° | 71° | 0.43" | — |
| 1982 | 71° | 50° | 61° | — | — |
| 1981 | 77° | 55° | 66° | — | — |
| 1980 | 81° | 64° | 72° | 0.25" | — |
| 1979 | 85° | 59° | 72° | 0.25" | — |
| 1978 | 83° | 63° | 73° | 0.99" | — |
| 1977 | 86° | 62° | 74° | — | — |
| 1976 | 84° | 61° | 72° | — | — |
| 1974 | 89° | 68° | 79° | 0.84" | — |
| 1973 | 86° | 66° | 76° | — | — |
| 1972 | 71° | 59° | 65° | 1.07" | — |
| 1971 | 92° | 58° | 75° | 1.42" | — |
53 years of data from JOLIET