Weather on October 12 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
October 12th in Indiana Dunes National Park (via Gary, IN) typically brings mild fall weather, with average highs around 67°F and lows near 45°F. Over 55 years of records, the warmest October 12th was in 1973 (73°F average), while the coldest was 1988 (39°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 12th dates historically, with the wettest October 12th recording 2.92" 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 October 12th in Indiana Dunes? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 51°F | -- | -- |
| 2024 | 84°F | 56°F | 0" | 0" |
| 2023 | 64°F | 40°F | 1.63" | 0" |
| 2022 | 71°F | 56°F | 0.79" | 0" |
| 2021 | 68°F | 54°F | -- | -- |
| 2020 | 69°F | 43°F | -- | -- |
| 2019 | 54°F | 33°F | -- | -- |
| 2018 | 51°F | 31°F | 0" | -- |
| 2017 | 57°F | 53°F | 0.05" | 0" |
| 2016 | 74°F | 58°F | 0.05" | 0" |
| 2015 | 77°F | 54°F | 0" | 0" |
| 2014 | 57°F | 38°F | 0" | 0" |
| 2013 | 76°F | 52°F | 0" | 0" |
| 2012 | 63°F | 40°F | 0" | 0" |
| 2011 | 79°F | 53°F | 0" | 0" |
| 2010 | 78°F | 52°F | 0" | 0" |
| 2009 | 44°F | 39°F | 0" | 0" |
| 2008 | 80°F | 59°F | 0" | 0" |
| 2007 | 54°F | 48°F | 0.89" | 0" |
| 2006 | 56°F | 30°F | 0.25" | 0" |
| 2005 | 58°F | 53°F | 0" | 0" |
| 2004 | 61°F | 40°F | 0" | 0" |
| 2003 | 78°F | 52°F | 0.25" | 0" |
| 2002 | 75°F | 53°F | 0" | 0" |
| 2001 | 61°F | 53°F | 2.92" | 0" |
| 2000 | 66°F | 38°F | 0" | 0" |
| 1999 | 74°F | 48°F | 0" | 0" |
| 1998 | 68°F | 43°F | 0" | 0" |
| 1997 | 80°F | 58°F | -- | -- |
| 1996 | 57°F | 36°F | 0" | 0" |
| 1995 | 80°F | 42°F | 0" | 0" |
| 1994 | 64°F | 35°F | 0" | 0" |
| 1993 | 55°F | 41°F | 0" | 0" |
| 1992 | 63°F | 42°F | 0" | 0" |
| 1991 | 58°F | 41°F | 0.23" | 0" |
| 1990 | 61°F | 33°F | 0" | 0" |
| 1989 | 78°F | 58°F | 0" | 0" |
| 1988 | 49°F | 30°F | 0" | 0" |
| 1987 | 56°F | 27°F | 0" | 0" |
| 1986 | 69°F | 53°F | 0.18" | 0" |
| 1985 | 79°F | 51°F | 0.3" | 0" |
| 1984 | 73°F | 55°F | 0" | 0" |
| 1983 | 75°F | 47°F | 2.11" | 0" |
| 1982 | 64°F | 43°F | 0" | 0" |
| 1981 | 67°F | 38°F | 0" | 0" |
| 1980 | 63°F | 29°F | 0" | 0" |
| 1979 | 58°F | 42°F | 0.05" | 0" |
| 1978 | 61°F | 51°F | 0.03" | 0" |
| 1977 | 64°F | 38°F | 0" | 0" |
| 1976 | 81°F | 52°F | 0" | 0" |
| 1975 | 76°F | 35°F | 0" | 0" |
| 1974 | 74°F | 51°F | 0" | 0" |
| 1973 | 81°F | 65°F | 0.18" | 0" |
| 1972 | 69°F | 50°F | 0.13" | 0" |
| 1971 | 68°F | 35°F | 0" | 0" |