Weather on October 30 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
October 30th in Indiana Dunes National Park (via Gary, IN) typically brings cool fall weather, with average highs around 59°F and lows near 40°F. Over 55 years of records, the warmest October 30th was in 2024 (78°F average), while the coldest was 1988 (34°F) — a 44°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 30th dates historically, with the wettest October 30th recording 6.3" 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 30th in Indiana Dunes? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 63°F | 49°F | -- | -- |
| 2024 | 84°F | 71°F | 0" | 0" |
| 2023 | 47°F | 39°F | -- | 0" |
| 2022 | 66°F | 42°F | 0" | 0" |
| 2021 | 55°F | 51°F | -- | 0" |
| 2020 | 50°F | 38°F | 0" | 0" |
| 2019 | 42°F | 36°F | 1.78" | 0" |
| 2018 | 51°F | 40°F | 0" | -- |
| 2017 | 48°F | 33°F | 0" | 0" |
| 2016 | 74°F | 53°F | 0.46" | 0" |
| 2015 | 47°F | 37°F | 0.03" | 0" |
| 2014 | 45°F | 34°F | 0" | 0" |
| 2013 | 58°F | 36°F | 0" | 0" |
| 2012 | 50°F | 43°F | 0" | 0" |
| 2011 | 52°F | 33°F | 0" | 0" |
| 2010 | 49°F | 36°F | 0" | 0" |
| 2009 | 62°F | 51°F | 6.3" | 0" |
| 2008 | 61°F | 30°F | -- | -- |
| 2007 | 60°F | 39°F | 0" | 0" |
| 2006 | 55°F | 39°F | 0" | 0" |
| 2005 | 60°F | 38°F | 0" | 0" |
| 2004 | 79°F | 62°F | 0.13" | 0" |
| 2003 | 51°F | 40°F | 0.03" | 0" |
| 2002 | 42°F | 38°F | 0" | 0" |
| 2001 | 59°F | 42°F | 0" | 0" |
| 2000 | 60°F | 40°F | 0" | 0" |
| 1999 | 78°F | 54°F | 0" | 0" |
| 1998 | 59°F | 46°F | 1.27" | 0" |
| 1997 | 59°F | 34°F | 0" | 0" |
| 1996 | 48°F | 26°F | 1.4" | 0" |
| 1995 | 47°F | 41°F | 1.52" | 0" |
| 1994 | 65°F | 39°F | 0" | 0" |
| 1993 | 39°F | 32°F | 0.51" | 0" |
| 1992 | 50°F | 37°F | 0" | 0" |
| 1991 | 68°F | 42°F | 3.12" | 0" |
| 1990 | 73°F | 45°F | 0" | 0" |
| 1989 | 75°F | 49°F | 0" | 0" |
| 1988 | 45°F | 23°F | 0" | 0" |
| 1987 | 72°F | 42°F | 0" | 0" |
| 1986 | 61°F | 33°F | 0" | 0" |
| 1985 | 55°F | 36°F | 0" | 0" |
| 1984 | 57°F | 40°F | 0" | 0" |
| 1983 | 54°F | 33°F | 0" | 0" |
| 1982 | 65°F | 45°F | 0" | 0" |
| 1981 | 75°F | 44°F | 0" | 0" |
| 1980 | 50°F | 23°F | 0" | 0" |
| 1979 | 66°F | 40°F | 0" | 0" |
| 1978 | 72°F | 38°F | 0" | 0" |
| 1977 | 58°F | 34°F | 0" | 0" |
| 1976 | 55°F | 40°F | 0.71" | 0" |
| 1975 | 53°F | 27°F | 0" | 0" |
| 1974 | 75°F | 60°F | 0.15" | 0" |
| 1973 | 53°F | 47°F | 0.36" | 0" |
| 1972 | 52°F | 32°F | 0" | 0" |
| 1971 | 80°F | 44°F | 0" | 0" |