Weather on April 15 at Indiana Dunes
Indiana Dunes National Park
INMidwest600 ft elevation
Avg High60°F
Avg Low41°F
Warmest197672°F
Coldest201433°F
Based on 56 years of data from Gary, IN
Planning Your Visit
April 15th in Indiana Dunes National Park (via Gary, IN) typically brings mild spring weather, with average highs around 60°F and lows near 41°F. Over 56 years of records, the warmest April 15th was in 1976 (72°F average), while the coldest was 2014 (33°F) — a 39°F range across recorded history. Precipitation has occurred on 29% of recorded April 15th dates, with snow falling 4% of the time. 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 April 15th in Indiana Dunes? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 73°F | 58°F | -- | -- |
| 2025 | 69°F | 38°F | 0.1" | 0" |
| 2024 | 76°F | 43°F | 0" | 0" |
| 2023 | 83°F | 60°F | 0" | 0" |
| 2022 | 54°F | 38°F | 0" | 0" |
| 2021 | 49°F | 38°F | 0" | 0" |
| 2020 | 40°F | 26°F | 0.18" | 1" |
| 2019 | 55°F | 34°F | -- | -- |
| 2018 | 47°F | 34°F | -- | -- |
| 2017 | 75°F | 49°F | 0.08" | 0" |
| 2016 | 64°F | 40°F | 0" | 0" |
| 2015 | 60°F | 38°F | 0" | 0" |
| 2014 | 38°F | 28°F | 0.23" | 1" |
| 2013 | 68°F | 41°F | 0" | 0" |
| 2012 | 66°F | 54°F | 0.23" | 0" |
| 2011 | 51°F | 41°F | 0" | 0" |
| 2010 | 78°F | 54°F | 0" | 0" |
| 2009 | 42°F | 38°F | 0" | 0" |
| 2008 | 47°F | 25°F | 0" | 0" |
| 2007 | 46°F | 35°F | 0" | 0" |
| 2006 | 80°F | 44°F | -- | 0" |
| 2005 | 50°F | 33°F | 0" | 0" |
| 2004 | 65°F | 32°F | 0" | 0" |
| 2003 | 83°F | 55°F | 0" | 0" |
| 2002 | 68°F | 61°F | 0" | 0" |
| 2001 | 61°F | 43°F | 1.27" | 0" |
| 2000 | 73°F | 51°F | 0" | 0" |
| 1999 | 52°F | 43°F | 2.87" | 0" |
| 1998 | 59°F | 48°F | 0" | 0" |
| 1997 | 53°F | 33°F | 0" | 0" |
| 1996 | 48°F | 32°F | -- | 0" |
| 1995 | 64°F | 43°F | 1.35" | 0" |
| 1994 | 72°F | 48°F | 0" | 0" |
| 1993 | 60°F | 50°F | 2.54" | 0" |
| 1992 | 57°F | 38°F | 1.14" | 0" |
| 1991 | 69°F | 45°F | 3.66" | 0" |
| 1990 | 55°F | 40°F | 0" | 0" |
| 1989 | 59°F | 33°F | 0" | 0" |
| 1988 | 48°F | 29°F | 0" | 0" |
| 1987 | 55°F | 45°F | 0.36" | 0" |
| 1986 | 50°F | 32°F | 0.3" | 0" |
| 1985 | 64°F | 42°F | 0" | 0" |
| 1984 | 51°F | 39°F | 1.22" | 0" |
| 1983 | 42°F | 32°F | 0" | 0" |
| 1982 | 72°F | 35°F | -- | -- |
| 1981 | 57°F | 35°F | 0" | 0" |
| 1980 | 41°F | 32°F | 0.38" | 0" |
| 1979 | 57°F | 42°F | 0" | 0" |
| 1978 | 55°F | 31°F | 0" | 0" |
| 1977 | 81°F | 50°F | 0" | 0" |
| 1976 | 82°F | 63°F | 0" | 0" |
| 1975 | 55°F | 35°F | 0" | 0" |
| 1974 | 49°F | 38°F | 0" | 0" |
| 1973 | 75°F | 43°F | 0" | 0" |
| 1972 | 58°F | 40°F | 0.3" | 0" |
| 1971 | 69°F | 31°F | 0" | 0" |
April 15 at Nearby Parks
Holiday Weather at Indiana Dunes
Official NPS WebsiteVisit nps.gov/indu for park information, alerts, and reservations
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