Weather on August 30
Chicago, IL
55 Years of Data
Avg High
80°F
Avg Low
66°F
Warmest
1983
83°F avg
Coldest
2009
61°F avg
About This Date
August 30th in Chicago, IL typically brings warm summer weather, with average highs around 80°F and lows near 66°F. Over 53 years of records, the warmest August 30th was in 1983 (83°F average), while the coldest was 2009 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 30th dates historically, with the wettest August 30th recording 1.98" 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 30th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 63° | 66° | — | — |
| 2024 | 82° | 72° | 77° | — | — |
| 2023 | 71° | 57° | 64° | — | — |
| 2022 | 80° | 68° | 74° | — | — |
| 2021 | 79° | 71° | 75° | — | — |
| 2020 | 75° | 66° | 71° | — | — |
| 2019 | 71° | 63° | 67° | — | — |
| 2018 | 71° | 65° | 68° | — | — |
| 2017 | 76° | 64° | 70° | — | — |
| 2016 | 85° | 72° | 78° | — | — |
| 2015 | 71° | 61° | 66° | — | — |
| 2014 | 84° | 74° | 79° | — | — |
| 2013 | 95° | 70° | 82° | — | — |
| 2012 | 91° | 71° | 81° | — | — |
| 2011 | 80° | 69° | 75° | — | — |
| 2010 | 89° | 77° | 83° | — | — |
| 2009coldest | 65° | 57° | 61° | — | — |
| 2008 | 85° | 68° | 76° | — | — |
| 2007 | 74° | 68° | 71° | — | — |
| 2006 | 74° | 67° | 70° | — | — |
| 2005 | 79° | 70° | 74° | — | — |
| 2004 | 76° | 54° | 65° | — | — |
| 2003 | 73° | 65° | 69° | — | — |
| 2002 | 83° | 67° | 75° | — | — |
| 2001 | 87° | 70° | 78° | 0.86" | — |
| 2000 | 89° | 73° | 81° | — | — |
| 1999 | 69° | 61° | 65° | — | — |
| 1998 | 82° | 65° | 73° | — | — |
| 1997 | 74° | 63° | 68° | — | — |
| 1994 | 79° | 62° | 70° | 0.43" | — |
| 1993 | 88° | 70° | 79° | 0.25" | — |
| 1992 | 81° | 62° | 71° | — | — |
| 1991 | 91° | 74° | 82° | 0.64" | — |
| 1990 | 85° | 66° | 75° | — | — |
| 1989 | 87° | 62° | 75° | — | — |
| 1988 | 76° | 56° | 66° | — | — |
| 1987 | 81° | 62° | 71° | — | — |
| 1986 | 74° | 52° | 63° | — | — |
| 1985 | 85° | 67° | 76° | 1.98" | — |
| 1984 | 96° | 70° | 83° | — | — |
| 1983warmest | 91° | 75° | 83° | — | — |
| 1982 | 78° | 65° | 71° | 0.03" | — |
| 1981 | 85° | 66° | 75° | 1.02" | — |
| 1980 | 90° | 68° | 79° | 0.03" | — |
| 1979 | 84° | 66° | 75° | — | — |
| 1978 | 78° | 63° | 70° | — | — |
| 1977 | 76° | 60° | 68° | — | — |
| 1976 | 78° | 60° | 69° | — | — |
| 1975 | 70° | 66° | 68° | — | — |
| 1974 | 80° | 62° | 71° | — | — |
| 1973 | 84° | 71° | 78° | — | — |
| 1972 | 79° | 72° | 75° | — | — |
| 1971 | 86° | 64° | 75° | — | — |
53 years of data from CHICAGO GRANT PARK