Weather on July 27
Chicago, IL
55 Years of Data
About This Date
July 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 July 27th was in 1997 (86°F average), while the coldest was 2013 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 19% of July 27th dates historically, with the wettest July 27th recording 1.7" 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 July 27th in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 75° | 78° | — | — |
| 2024 | 79° | 66° | 72° | — | — |
| 2023 | 91° | 75° | 83° | — | — |
| 2022 | 81° | 70° | 75° | — | — |
| 2021 | 87° | 75° | 81° | — | — |
| 2020 | 85° | 75° | 80° | — | — |
| 2019 | 88° | 72° | 80° | — | — |
| 2018 | 76° | 64° | 70° | — | — |
| 2017 | 78° | 70° | 74° | — | — |
| 2016 | 83° | 70° | 76° | — | — |
| 2015 | 82° | 71° | 77° | — | — |
| 2014 | 85° | 63° | 74° | — | — |
| 2013coldest | 67° | 59° | 63° | — | — |
| 2012 | 83° | 73° | 78° | — | — |
| 2011 | 91° | 69° | 80° | — | — |
| 2010 | 87° | 71° | 79° | — | — |
| 2009 | 85° | 61° | 73° | — | — |
| 2008 | 86° | 70° | 78° | — | — |
| 2007 | 83° | 70° | 76° | 0.1" | — |
| 2006 | 84° | 73° | 79° | — | — |
| 2005 | 73° | 66° | 70° | — | — |
| 2004 | 80° | 61° | 70° | — | — |
| 2003 | 82° | 67° | 74° | 0.23" | — |
| 2002 | 92° | 72° | 82° | 0.66" | — |
| 2001 | 78° | 65° | 71° | — | — |
| 2000 | 87° | 70° | 78° | 1.04" | — |
| 1999 | 88° | 76° | 82° | — | — |
| 1998 | 82° | 65° | 73° | — | — |
| 1997warmest | 97° | 76° | 86° | — | — |
| 1994 | 76° | 65° | 70° | — | — |
| 1993 | 88° | 72° | 80° | — | — |
| 1992 | 80° | 63° | 71° | — | — |
| 1991 | 80° | 64° | 72° | — | — |
| 1990 | 83° | 67° | 75° | — | — |
| 1989 | 91° | 74° | 82° | 1.7" | — |
| 1988 | 89° | 66° | 78° | — | — |
| 1987 | 87° | 64° | 76° | 0.94" | — |
| 1986 | 86° | 68° | 77° | — | — |
| 1985 | 84° | 63° | 73° | — | — |
| 1984 | 74° | 61° | 67° | 0.08" | — |
| 1983 | 89° | 67° | 78° | — | — |
| 1982 | 89° | 70° | 79° | — | — |
| 1981 | 67° | 63° | 65° | 0.18" | — |
| 1980 | 72° | 67° | 69° | 0.28" | — |
| 1979 | 87° | 63° | 75° | — | — |
| 1978 | 77° | 67° | 72° | 0.97" | — |
| 1977 | 76° | 61° | 68° | — | — |
| 1976 | 77° | 71° | 74° | — | — |
| 1975 | 81° | 64° | 72° | — | — |
| 1974 | 76° | 68° | 72° | — | — |
| 1973 | 87° | 67° | 77° | — | — |
| 1972 | 65° | 64° | 64° | — | — |
| 1971 | 78° | 57° | 68° | — | — |
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.