Weather on August 9
Chicago, IL
55 Years of Data
Avg High
84°F
Avg Low
67°F
Warmest
1983
85°F avg
Coldest
1972
59°F avg
About This Date
August 9th in Chicago, IL typically brings warm summer weather, with average highs around 84°F and lows near 67°F. Over 53 years of records, the warmest August 9th was in 1983 (85°F average), while the coldest was 1972 (59°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 23% of August 9th dates historically, with the wettest August 9th recording 3.48" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for August 9th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 76° | 84° | — | — |
| 2024 | 73° | 63° | 68° | — | — |
| 2023 | 79° | 66° | 72° | — | — |
| 2022 | 71° | 61° | 66° | — | — |
| 2021 | 82° | 72° | 77° | — | — |
| 2020 | 89° | 71° | 80° | — | — |
| 2019 | 78° | 67° | 72° | — | — |
| 2018 | 90° | 69° | 79° | — | — |
| 2017 | 78° | 69° | 74° | — | — |
| 2016 | 82° | 70° | 76° | — | — |
| 2015 | 77° | 68° | 73° | — | — |
| 2014 | 74° | 68° | 71° | — | — |
| 2013 | 80° | 65° | 72° | — | — |
| 2012 | 76° | 67° | 71° | — | — |
| 2011 | 84° | 69° | 77° | — | — |
| 2010 | 91° | 71° | 81° | — | — |
| 2009 | 93° | 72° | 82° | — | — |
| 2008 | 80° | 62° | 71° | — | — |
| 2007 | 84° | 72° | 78° | — | — |
| 2006 | 82° | 71° | 77° | — | — |
| 2005 | 94° | 74° | 84° | — | — |
| 2004 | 86° | 66° | 76° | 0.03" | — |
| 2003 | 76° | 64° | 70° | 1.12" | — |
| 2002 | 84° | 65° | 74° | — | — |
| 2001 | 95° | 74° | 84° | 0.76" | — |
| 2000 | 90° | 70° | 80° | — | — |
| 1999 | 79° | 57° | 68° | 0.1" | — |
| 1998 | 87° | 72° | 79° | — | — |
| 1997 | 78° | 68° | 73° | — | — |
| 1994 | 88° | 58° | 73° | — | — |
| 1993 | 80° | 62° | 71° | — | — |
| 1992 | 89° | 71° | 80° | — | — |
| 1991 | 76° | 64° | 70° | 0.03" | — |
| 1990 | 81° | 62° | 71° | — | — |
| 1989 | 81° | 63° | 72° | 0.25" | — |
| 1988 | 99° | 72° | 85° | 3.48" | — |
| 1987 | 80° | 72° | 76° | 0.74" | — |
| 1986 | 85° | 65° | 75° | — | — |
| 1985 | 86° | 66° | 76° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983warmest | 99° | 72° | 85° | — | — |
| 1982 | 89° | 64° | 77° | — | — |
| 1981 | 83° | 64° | 73° | — | — |
| 1980 | 89° | 71° | 80° | 2.08" | — |
| 1979 | 85° | 65° | 75° | 1.8" | — |
| 1978 | 87° | 68° | 78° | 1.12" | — |
| 1977 | 80° | 69° | 75° | 0.03" | — |
| 1976 | 74° | 60° | 67° | — | — |
| 1975 | 88° | 68° | 78° | — | — |
| 1974 | 73° | 68° | 71° | — | — |
| 1973 | 90° | 76° | 83° | — | — |
| 1972coldest | 64° | 54° | 59° | — | — |
| 1971 | 92° | 72° | 82° | — | — |
53 years of data from CHICAGO GRANT PARK