Weather on May 27 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
May 27th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant spring weather, with average highs around 74°F and lows near 52°F. Over 55 years of records, the warmest May 27th was in 2018 (80°F average), while the coldest was 1992 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 27th dates historically, with the wettest May 27th recording 2.79" of rain. The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.8°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 65°F | 54°F | 0" | 0" |
| 2024 | 74°F | 57°F | 0.76" | 0" |
| 2023 | 62°F | 41°F | 0" | 0" |
| 2022 | 77°F | 49°F | 0" | 0" |
| 2021 | 78°F | 55°F | 0" | 0" |
| 2020 | 88°F | 65°F | 0.58" | 0" |
| 2019 | 75°F | 50°F | -- | -- |
| 2018 | 93°F | 67°F | -- | -- |
| 2017 | 75°F | 54°F | 0.53" | 0" |
| 2016 | 82°F | 64°F | 0" | 0" |
| 2015 | 76°F | 66°F | 0.58" | 0" |
| 2014 | 86°F | 65°F | 0.76" | 0" |
| 2013 | 70°F | 51°F | 0.41" | 0" |
| 2012 | 87°F | 62°F | 0" | 0" |
| 2011 | 49°F | 42°F | 0.15" | 0" |
| 2010 | 84°F | 59°F | 0" | 0" |
| 2009 | 81°F | 59°F | 2.34" | 0" |
| 2008 | 81°F | 42°F | 0" | 0" |
| 2007 | 72°F | 53°F | 1.12" | 0" |
| 2006 | 74°F | 55°F | 0" | 0" |
| 2005 | 72°F | 47°F | 0" | 0" |
| 2004 | 60°F | 50°F | 0" | 0" |
| 2003 | 67°F | 46°F | -- | -- |
| 2002 | 74°F | 50°F | 0" | 0" |
| 2001 | 57°F | 49°F | 2.79" | 0" |
| 2000 | 73°F | 58°F | 0.2" | 0" |
| 1999 | 80°F | 56°F | 0.03" | 0" |
| 1998 | 72°F | 52°F | 0" | 0" |
| 1997 | 60°F | 45°F | 0" | 0" |
| 1996 | 56°F | 49°F | 1.4" | 0" |
| 1995 | 70°F | 57°F | 0.81" | 0" |
| 1994 | 65°F | 36°F | 0" | 0" |
| 1993 | 79°F | 54°F | 0" | 0" |
| 1992 | 59°F | 30°F | 0" | 0" |
| 1991 | 88°F | 67°F | 0.58" | 0" |
| 1990 | 68°F | 47°F | 0" | 0" |
| 1989 | 73°F | 49°F | 0" | 0" |
| 1988 | 84°F | 49°F | 0" | 0" |
| 1987 | 90°F | 66°F | 0" | 0" |
| 1986 | 71°F | 56°F | 1.04" | 0" |
| 1985 | 89°F | 49°F | 1.37" | 0" |
| 1984 | 65°F | 43°F | 0" | 0" |
| 1983 | 69°F | 39°F | 0" | 0" |
| 1982 | 74°F | 62°F | 0.99" | 0" |
| 1981 | 74°F | 46°F | 0" | 0" |
| 1980 | 85°F | 47°F | 0" | 0" |
| 1979 | 69°F | 35°F | 0" | 0" |
| 1978 | 90°F | 63°F | 0" | 0" |
| 1977 | 92°F | 54°F | 0" | 0" |
| 1976 | 76°F | 44°F | 0" | 0" |
| 1975 | 75°F | 61°F | 0.28" | 0" |
| 1974 | 71°F | 37°F | 0" | 0" |
| 1973 | 69°F | 57°F | 0.86" | 0" |
| 1972 | 86°F | 53°F | 0" | 0" |
| 1971 | 60°F | 35°F | 0" | 0" |