Weather on June 21
Chicago, IL
55 Years of Data
Avg High
81°F
Avg Low
64°F
Warmest
1988
89°F avg
Coldest
1992
52°F avg
About This Date
June 21st in Chicago, IL typically brings warm summer weather, with average highs around 81°F and lows near 64°F. Over 53 years of records, the warmest June 21st was in 1988 (89°F average), while the coldest was 1992 (52°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 15% of June 21st dates historically, with the wettest June 21st recording 0.97" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for June 21st in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 76° | 84° | — | — |
| 2024 | 90° | 64° | 77° | — | — |
| 2023 | 88° | 67° | 77° | — | — |
| 2022 | 97° | 74° | 85° | — | — |
| 2021 | 72° | 57° | 64° | — | — |
| 2020 | 76° | 66° | 71° | — | — |
| 2019 | 67° | 56° | 61° | — | — |
| 2018 | 64° | 59° | 62° | — | — |
| 2017 | 71° | 58° | 64° | — | — |
| 2016 | 77° | 68° | 73° | — | — |
| 2015 | 82° | 69° | 76° | — | — |
| 2014 | 77° | 58° | 67° | — | — |
| 2013 | 84° | 67° | 75° | — | — |
| 2012 | 84° | 67° | 75° | — | — |
| 2011 | 89° | 71° | 80° | — | — |
| 2010 | 86° | 67° | 76° | — | — |
| 2009 | 80° | 67° | 73° | — | — |
| 2008 | 83° | 62° | 72° | — | — |
| 2007 | 81° | 65° | 73° | — | — |
| 2006 | 89° | 75° | 82° | — | — |
| 2005 | 84° | 67° | 75° | — | — |
| 2004 | 70° | 61° | 65° | 0.97" | — |
| 2003 | 79° | 52° | 65° | — | — |
| 2002 | 89° | 75° | 82° | — | — |
| 2001 | 68° | 58° | 63° | 0.86" | — |
| 2000 | 81° | 69° | 75° | — | — |
| 1999 | 84° | 68° | 76° | — | — |
| 1998 | 88° | 70° | 79° | — | — |
| 1997 | 84° | 70° | 77° | — | — |
| 1994 | 89° | 75° | 82° | — | — |
| 1993 | 81° | 64° | 72° | — | — |
| 1992coldest | 58° | 47° | 52° | — | — |
| 1991 | 91° | 69° | 80° | — | — |
| 1990 | 84° | 64° | 74° | — | — |
| 1989 | 76° | 60° | 68° | — | — |
| 1988warmest | 103° | 76° | 89° | 0.25" | — |
| 1987 | 82° | 71° | 77° | 0.48" | — |
| 1986 | 90° | 63° | 76° | — | — |
| 1985 | 82° | 62° | 72° | 0.15" | — |
| 1984 | 79° | 59° | 69° | — | — |
| 1983 | 82° | 67° | 74° | 0.15" | — |
| 1982 | 76° | 55° | 65° | — | — |
| 1981 | 83° | 62° | 72° | — | — |
| 1980 | 79° | 57° | 68° | — | — |
| 1979 | 88° | 69° | 78° | 0.41" | — |
| 1978 | 84° | 60° | 72° | 0.58" | — |
| 1977 | 80° | 55° | 68° | — | — |
| 1976 | 68° | 61° | 64° | — | — |
| 1975 | 88° | 68° | 78° | — | — |
| 1974 | 82° | 62° | 72° | — | — |
| 1973 | 80° | 66° | 73° | — | — |
| 1972 | 58° | 49° | 53° | — | — |
| 1971 | 71° | 59° | 65° | — | — |
53 years of data from CHICAGO GRANT PARK