Harper's Weekly / Public domain
Chicago, IL Weather on May 27
Chicago sweltered at 97°F on this May day in 2012
May 27 in Chicago typically offers pleasant late spring weather with highs around 71°F and lows near 54°F. However, the record books tell a more extreme story: the city experienced a scorching 97°F high in 2012, marking one of the hottest May days on record. The coldest May 27 on file came in 1992 with a low of just 38°F, showing the wide range of conditions Chicago residents might encounter even as summer approaches.
What to Expect on May 27
Planning for May 27th in Chicago, IL? Great weather for outdoor activities.
Frequently Asked Questions
What was the warmest May 27 ever in Chicago?
The warmest May 27 in Chicago, IL reached 97°F in 2012. That is 26°F above the long-term average high of 71°F.
What was the coldest May 27 ever in Chicago?
The coldest May 27 in Chicago, IL dropped to 38°F in 1992. That is 16°F below the long-term average low of 54°F.
What is the average temperature on May 27 in Chicago?
On May 27, Chicago averages a high of 71°F and a low of 54°F based on 53 years of NOAA weather observations from CHICAGO GRANT PARK.
How many years of weather data are available for May 27 in Chicago?
We have 53 years of weather records for May 27 in Chicago, IL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 27 Weather History in Chicago
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 61°F | 52°F | -- | -- |
| 2024 | 72°F | 58°F | -- | -- |
| 2023 | 74°F | 48°F | 0" | -- |
| 2022 | 62°F | 49°F | -- | -- |
| 2021 | 63°F | 51°F | 0.1" | -- |
| 2020 | 76°F | 64°F | -- | -- |
| 2019 | 71°F | 52°F | -- | -- |
| 2018 | 96°F | 72°F | 0" | -- |
| 2017 | 61°F | 52°F | -- | -- |
| 2016 | 80°F | 61°F | -- | -- |
| 2015 | 73°F | 57°F | -- | -- |
| 2014 | 84°F | 54°F | -- | -- |
| 2013 | 57°F | 53°F | -- | -- |
| 2012 | 97°F | 66°F | -- | -- |
| 2011 | 53°F | 47°F | -- | -- |
| 2010 | 69°F | 64°F | -- | -- |
| 2009 | 60°F | 50°F | -- | -- |
| 2008 | 51°F | 45°F | -- | -- |
| 2007 | 77°F | 64°F | -- | -- |
| 2006 | 81°F | 61°F | -- | -- |
| 2005 | 71°F | 52°F | 0.05" | -- |
| 2004 | 78°F | 50°F | 0" | -- |
| 2003 | 73°F | 51°F | 0" | -- |
| 2002 | 77°F | 56°F | 0" | -- |
| 2001 | 59°F | 50°F | -- | -- |
| 2000 | 69°F | 56°F | 3.51" | -- |
| 1999 | 83°F | 51°F | 0" | -- |
| 1998 | 82°F | 57°F | 0" | -- |
| 1997 | 66°F | 48°F | -- | -- |
| 1994 | 57°F | 42°F | 0" | -- |
| 1993 | 80°F | 58°F | 0" | -- |
| 1992 | 57°F | 38°F | 0" | -- |
| 1991 | 87°F | 68°F | 0" | -- |
| 1990 | 63°F | 52°F | 0" | -- |
| 1989 | 74°F | 52°F | 0" | -- |
| 1988 | 81°F | 59°F | 0" | -- |
| 1987 | 88°F | 71°F | 0" | -- |
| 1986 | 64°F | 53°F | 1.47" | -- |
| 1985 | 91°F | 50°F | 1.96" | -- |
| 1984 | 61°F | 47°F | 0" | -- |
| 1983 | 68°F | 46°F | 0" | -- |
| 1982 | 74°F | 56°F | 1.7" | -- |
| 1981 | 68°F | 53°F | 0.13" | -- |
| 1980 | 68°F | 49°F | 0" | -- |
| 1979 | 70°F | 43°F | 0" | -- |
| 1978 | 88°F | 67°F | 0" | -- |
| 1977 | 75°F | 56°F | 0" | -- |
| 1976 | 62°F | 52°F | -- | -- |
| 1975 | 69°F | 60°F | -- | -- |
| 1974 | 65°F | 48°F | -- | -- |
| 1973 | 60°F | 54°F | -- | -- |
| 1972 | 76°F | 59°F | -- | -- |
| 1971 | 61°F | 41°F | 0" | -- |
Based on 53 years of data from NOAA station: CHICAGO GRANT PARK
How Has May 27 Changed?
Temperatures on this date have remained relatively stable over the past several decades.
Monthly Climate Averages
Historical temperature and precipitation averages for Chicago, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.