Weather on October 3 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
October 3rd in Indiana Dunes National Park (via Gary, IN) typically brings mild fall weather, with average highs around 69°F and lows near 49°F. Over 55 years of records, the warmest October 3rd was in 1971 (76°F average), while the coldest was 2003 (41°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 33% of October 3rd dates historically, with the wettest October 3rd recording 6.32" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
Planning for October 3rd 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 | 89°F | 58°F | -- | -- |
| 2024 | 76°F | 49°F | 0" | 0" |
| 2023 | 83°F | 58°F | 0" | 0" |
| 2022 | 63°F | 42°F | 0" | 0" |
| 2021 | 77°F | 62°F | -- | -- |
| 2020 | 59°F | 42°F | -- | -- |
| 2019 | 67°F | 62°F | 2.06" | 0" |
| 2018 | 65°F | 53°F | 0" | -- |
| 2017 | 82°F | 61°F | 0" | 0" |
| 2016 | 65°F | 59°F | 0.13" | 0" |
| 2015 | 60°F | 47°F | 0.15" | 0" |
| 2014 | 73°F | 56°F | 4.93" | 0" |
| 2013 | 73°F | 57°F | 0" | 0" |
| 2012 | 64°F | 48°F | 0" | 0" |
| 2011 | 57°F | 39°F | 0" | 0" |
| 2010 | 57°F | 37°F | 0.05" | 0" |
| 2009 | 56°F | 47°F | 0.25" | 0" |
| 2008 | 62°F | 49°F | 0.05" | 0" |
| 2007 | 78°F | 56°F | 0.25" | 0" |
| 2006 | 77°F | 57°F | 3.99" | 0" |
| 2005 | 81°F | 62°F | 0.48" | 0" |
| 2004 | 55°F | 35°F | 0" | 0" |
| 2003 | 50°F | 32°F | 0" | 0" |
| 2002 | 76°F | 59°F | 0" | 0" |
| 2001 | 81°F | 55°F | 0" | 0" |
| 2000 | 81°F | 50°F | 0" | 0" |
| 1999 | 47°F | 41°F | 2.84" | 0" |
| 1998 | 61°F | 47°F | 1.4" | 0" |
| 1997 | 86°F | 57°F | -- | -- |
| 1996 | 54°F | 34°F | 0" | 0" |
| 1995 | 65°F | 42°F | 0" | 0" |
| 1994 | 61°F | 44°F | 0" | 0" |
| 1993 | 69°F | 35°F | 0" | 0" |
| 1992 | 80°F | 54°F | 0" | 0" |
| 1991 | 71°F | 51°F | 2.57" | 0" |
| 1990 | 77°F | 57°F | 0" | 0" |
| 1989 | 62°F | 44°F | 0" | 0" |
| 1988 | 61°F | 46°F | 0" | 0" |
| 1987 | 53°F | 41°F | 0.43" | 0" |
| 1986 | 72°F | 65°F | 6.32" | 0" |
| 1985 | 68°F | 34°F | 0" | 0" |
| 1984 | 72°F | 57°F | 0" | 0" |
| 1983 | 84°F | 64°F | 0" | 0" |
| 1982 | 81°F | 56°F | 0" | 0" |
| 1981 | 60°F | 33°F | 0" | 0" |
| 1980 | 62°F | 42°F | 0.25" | 0" |
| 1979 | 63°F | 46°F | 0.03" | 0" |
| 1978 | 72°F | 57°F | 1.24" | 0" |
| 1977 | 60°F | 50°F | 0" | 0" |
| 1976 | 82°F | 49°F | 0" | 0" |
| 1975 | 70°F | 35°F | 0" | 0" |
| 1974 | 60°F | 27°F | 0" | 0" |
| 1973 | 80°F | 53°F | 0" | 0" |
| 1972 | 78°F | 55°F | 0" | 0" |
| 1971 | 88°F | 65°F | 0" | 0" |