Weather on August 23
Chicago, IL
55 Years of Data
Avg High
81°F
Avg Low
67°F
Warmest
2023
87°F avg
Coldest
1987
63°F avg
About This Date
August 23rd in Chicago, IL typically brings warm summer weather, with average highs around 81°F and lows near 67°F. Over 53 years of records, the warmest August 23rd was in 2023 (87°F average), while the coldest was 1987 (63°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 23rd dates historically, with the wettest August 23rd recording 1.93" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 67° | 75° | — | — |
| 2024 | 79° | 63° | 71° | — | — |
| 2023warmest | 98° | 75° | 87° | — | — |
| 2022 | 80° | 67° | 73° | — | — |
| 2021 | 88° | 69° | 78° | — | — |
| 2020 | 90° | 71° | 80° | — | — |
| 2019 | 73° | 66° | 70° | — | — |
| 2018 | 80° | 64° | 72° | — | — |
| 2017 | 74° | 63° | 68° | — | — |
| 2016 | 80° | 66° | 73° | — | — |
| 2015 | 77° | 64° | 71° | — | — |
| 2014 | 76° | 69° | 72° | — | — |
| 2013 | 76° | 68° | 72° | — | — |
| 2012 | 92° | 71° | 81° | — | — |
| 2011 | 74° | 66° | 70° | 1.02" | — |
| 2010 | 79° | 73° | 76° | — | — |
| 2009 | 71° | 60° | 66° | — | — |
| 2008 | 92° | 75° | 83° | — | — |
| 2007 | 91° | 69° | 80° | — | — |
| 2006 | 88° | 70° | 79° | — | — |
| 2005 | 72° | 67° | 69° | — | — |
| 2004 | 80° | 65° | 72° | — | — |
| 2003 | 80° | 65° | 72° | — | — |
| 2002 | 78° | 70° | 74° | 1.93" | — |
| 2001 | 78° | 71° | 75° | — | — |
| 2000 | 86° | 71° | 79° | 0.05" | — |
| 1999 | 79° | 67° | 73° | 0.86" | — |
| 1998 | 93° | 72° | 82° | — | — |
| 1997 | 76° | 56° | 66° | — | — |
| 1994 | 81° | 61° | 71° | — | — |
| 1993 | 89° | 71° | 80° | — | — |
| 1992 | 81° | 67° | 74° | — | — |
| 1991 | 82° | 67° | 74° | — | — |
| 1990 | 77° | 65° | 71° | — | — |
| 1989 | 84° | 69° | 77° | 0.05" | — |
| 1988 | 85° | 67° | 76° | 0.15" | — |
| 1987coldest | 72° | 54° | 63° | — | — |
| 1986 | 89° | 70° | 79° | — | — |
| 1985 | 77° | 64° | 71° | — | — |
| 1984 | 91° | 61° | 76° | — | — |
| 1983 | 82° | 69° | 76° | — | — |
| 1982 | 78° | 67° | 72° | — | — |
| 1981 | 82° | 65° | 73° | — | — |
| 1980 | 79° | 62° | 70° | — | — |
| 1979 | 84° | 67° | 75° | 0.46" | — |
| 1978 | 84° | 68° | 76° | — | — |
| 1977 | 79° | 66° | 72° | — | — |
| 1976 | 81° | 74° | 77° | — | — |
| 1975 | 90° | 72° | 81° | — | — |
| 1974 | 73° | 65° | 69° | — | — |
| 1973 | 68° | 62° | 65° | — | — |
| 1972 | 80° | 69° | 75° | — | — |
| 1971 | 75° | 63° | 69° | — | — |
53 years of data from CHICAGO GRANT PARK