Weather on August 27
Chicago, IL
55 Years of Data
Avg High
82°F
Avg Low
68°F
Warmest
1973
88°F avg
Coldest
2015
63°F avg
About This Date
August 27th in Chicago, IL typically brings warm summer weather, with average highs around 82°F and lows near 68°F. Over 53 years of records, the warmest August 27th was in 1973 (88°F average), while the coldest was 2015 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 19% of August 27th dates historically, with the wettest August 27th recording 3.12" 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 27th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 60° | 68° | — | — |
| 2024 | 95° | 70° | 82° | — | — |
| 2023 | 75° | 66° | 71° | — | — |
| 2022 | 76° | 64° | 70° | — | — |
| 2021 | 85° | 73° | 79° | — | — |
| 2020 | 93° | 77° | 85° | — | — |
| 2019 | 81° | 67° | 74° | — | — |
| 2018 | 93° | 77° | 85° | — | — |
| 2017 | 77° | 63° | 70° | — | — |
| 2016 | 85° | 69° | 77° | — | — |
| 2015coldest | 68° | 57° | 63° | — | — |
| 2014 | 74° | 69° | 71° | — | — |
| 2013 | 94° | 78° | 86° | — | — |
| 2012 | 83° | 71° | 77° | — | — |
| 2011 | 80° | 73° | 77° | — | — |
| 2010 | 86° | 66° | 76° | — | — |
| 2009 | 69° | 63° | 66° | — | — |
| 2008 | 78° | 67° | 72° | — | — |
| 2007 | 79° | 66° | 72° | — | — |
| 2006 | 77° | 72° | 74° | — | — |
| 2005 | 82° | 72° | 77° | — | — |
| 2004 | 84° | 70° | 77° | 0.81" | — |
| 2003 | 86° | 69° | 78° | — | — |
| 2002 | 84° | 70° | 77° | — | — |
| 2001 | 85° | 67° | 76° | — | — |
| 2000 | 78° | 69° | 74° | — | — |
| 1999 | 86° | 66° | 76° | — | — |
| 1998 | 84° | 70° | 77° | — | — |
| 1997 | 86° | 71° | 79° | — | — |
| 1994 | 86° | 71° | 79° | — | — |
| 1993 | 94° | 75° | 84° | — | — |
| 1992 | 68° | 63° | 65° | 2.51" | — |
| 1991 | 92° | 70° | 81° | — | — |
| 1990 | 94° | 73° | 83° | — | — |
| 1989 | 82° | 69° | 76° | — | — |
| 1988 | 76° | 63° | 69° | 0.05" | — |
| 1987 | 67° | 62° | 64° | 3.12" | — |
| 1986 | 85° | 58° | 71° | 0.25" | — |
| 1985 | 80° | 61° | 70° | — | — |
| 1984 | 87° | 68° | 78° | — | — |
| 1983 | 88° | 75° | 81° | 0.03" | — |
| 1982 | 76° | 60° | 68° | — | — |
| 1981 | 85° | 67° | 76° | 1.12" | — |
| 1980 | 90° | 71° | 80° | — | — |
| 1979 | 78° | 63° | 70° | 0.36" | — |
| 1978 | 80° | 71° | 76° | 0.81" | — |
| 1977 | 90° | 74° | 82° | 0.97" | — |
| 1976 | 94° | 75° | 84° | — | — |
| 1975 | 76° | 66° | 71° | — | — |
| 1974 | 78° | 64° | 71° | — | — |
| 1973warmest | 95° | 80° | 88° | — | — |
| 1972 | 78° | 67° | 72° | — | — |
| 1971 | 71° | 61° | 66° | — | — |
53 years of data from CHICAGO GRANT PARK