Weather on August 27
Chicago, IL
55 Years of Data
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° | — | — |
Chicago, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chicago, IL Monthly Precipitation
Average rainfall per month, in inches.
Chicago, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Chicago, IL
Chicago, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.