Weather on August 26
Chicago, IL
55 Years of Data
Avg High
82°F
Avg Low
67°F
Warmest
2024
85°F avg
Coldest
2015
61°F avg
About This Date
August 26th in Chicago, IL typically brings warm summer weather, with average highs around 82°F and lows near 67°F. Over 53 years of records, the warmest August 26th was in 2024 (85°F average), while the coldest was 2015 (61°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 17% of August 26th dates historically, with the wettest August 26th recording 4.98" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for August 26th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 59° | 66° | — | — |
| 2024warmest | 94° | 77° | 85° | — | — |
| 2023 | 76° | 65° | 70° | — | — |
| 2022 | 74° | 66° | 70° | — | — |
| 2021 | 82° | 72° | 77° | — | — |
| 2020 | 91° | 73° | 82° | — | — |
| 2019 | 75° | 66° | 71° | — | — |
| 2018 | 92° | 72° | 82° | — | — |
| 2017 | 73° | 62° | 68° | — | — |
| 2016 | 76° | 66° | 71° | — | — |
| 2015coldest | 64° | 58° | 61° | — | — |
| 2014 | 81° | 70° | 75° | — | — |
| 2013 | 91° | 73° | 82° | — | — |
| 2012 | 82° | 68° | 75° | — | — |
| 2011 | 80° | 67° | 73° | — | — |
| 2010 | 79° | 67° | 73° | — | — |
| 2009 | 74° | 64° | 69° | — | — |
| 2008 | 74° | 65° | 69° | — | — |
| 2007 | 79° | 60° | 69° | — | — |
| 2006 | 80° | 74° | 77° | — | — |
| 2005 | 81° | 70° | 75° | — | — |
| 2004 | 83° | 68° | 75° | 0.2" | — |
| 2003 | 91° | 74° | 82° | 0.28" | — |
| 2002 | 83° | 70° | 76° | — | — |
| 2001 | 82° | 70° | 76° | — | — |
| 2000 | 82° | 69° | 76° | — | — |
| 1999 | 80° | 65° | 72° | — | — |
| 1998 | 84° | 65° | 74° | — | — |
| 1997 | 81° | 61° | 71° | — | — |
| 1994 | 90° | 74° | 82° | — | — |
| 1993 | 90° | 74° | 82° | 1.22" | — |
| 1992 | 91° | 67° | 79° | 0.41" | — |
| 1991 | 95° | 73° | 84° | — | — |
| 1990 | 89° | 70° | 79° | — | — |
| 1989 | 78° | 65° | 71° | — | — |
| 1988 | 83° | 60° | 71° | — | — |
| 1987 | 66° | 58° | 62° | 4.98" | — |
| 1986 | 85° | 70° | 77° | 1.3" | — |
| 1985 | 76° | 61° | 68° | — | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 91° | 74° | 82° | 0.1" | — |
| 1982 | 75° | 62° | 69° | — | — |
| 1981 | 85° | 68° | 76° | 0.15" | — |
| 1980 | 89° | 69° | 79° | — | — |
| 1979 | 77° | 63° | 70° | — | — |
| 1978 | 80° | 68° | 74° | — | — |
| 1977 | 83° | 63° | 73° | — | — |
| 1976 | 87° | 73° | 80° | — | — |
| 1975 | 76° | 70° | 73° | — | — |
| 1974 | 90° | 70° | 80° | — | — |
| 1973 | 94° | 75° | 84° | — | — |
| 1972 | 75° | 68° | 72° | — | — |
| 1971 | 68° | 60° | 64° | 0.03" | — |
53 years of data from CHICAGO GRANT PARK