Weather on February 15 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
February 15th in Indiana Dunes National Park (via Gary, IN) typically brings cold winter weather, with average highs around 37°F and lows near 21°F. Over 56 years of records, the warmest February 15th was in 1976 (50°F average), while the coldest was 1985 (9°F) — a 41°F range across recorded history. Precipitation has occurred on 30% of recorded February 15th dates, with snow falling 13% of the time (heaviest snowfall: 3"). The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for February 15th in Indiana Dunes? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 55°F | 30°F | -- | -- |
| 2025 | 36°F | 11°F | -- | -- |
| 2024 | 47°F | 27°F | 0.23" | 0" |
| 2023 | 54°F | 40°F | 0.05" | 0" |
| 2022 | 24°F | 11°F | 0" | 0" |
| 2021 | 15°F | 9°F | -- | -- |
| 2020 | 34°F | 6°F | -- | -- |
| 2019 | 47°F | 15°F | 0" | 0" |
| 2018 | 46°F | 31°F | 0" | 0" |
| 2017 | 52°F | 29°F | 0" | 0" |
| 2016 | 21°F | 13°F | 0.13" | 1" |
| 2015 | 19°F | 3°F | -- | -- |
| 2014 | 23°F | 15°F | 0" | 0" |
| 2013 | 43°F | 32°F | 0" | 0" |
| 2012 | 34°F | 28°F | 0" | 0" |
| 2011 | 38°F | 22°F | 0" | 0" |
| 2010 | 33°F | 13°F | 0" | 0" |
| 2009 | 34°F | 20°F | 0.05" | 0" |
| 2008 | 35°F | 19°F | 0" | 0" |
| 2007 | 23°F | 10°F | 0.03" | 0.4" |
| 2006 | 55°F | 28°F | 0" | 0" |
| 2005 | 45°F | 37°F | 0.28" | 0" |
| 2004 | 31°F | 13°F | 0" | 0" |
| 2003 | 38°F | 23°F | 0.08" | 1" |
| 2002 | 46°F | 31°F | 0" | 0" |
| 2001 | 37°F | 29°F | 0" | 0" |
| 2000 | 40°F | 17°F | 0" | 0" |
| 1999 | 65°F | 34°F | 0" | 0" |
| 1998 | 44°F | 31°F | 0" | 0" |
| 1997 | 29°F | 20°F | 1.04" | -- |
| 1996 | 32°F | 18°F | -- | -- |
| 1995 | 38°F | 21°F | 0" | 0" |
| 1994 | 44°F | 25°F | 0" | 0" |
| 1993 | 28°F | 20°F | 0" | 0" |
| 1992 | 41°F | 31°F | 2.29" | 0" |
| 1991 | 22°F | 5°F | 0" | 0" |
| 1990 | 31°F | 23°F | 3.18" | 3" |
| 1989 | 33°F | 30°F | 0.28" | 1" |
| 1988 | 41°F | 24°F | 0.71" | 0" |
| 1987 | 33°F | 9°F | 0" | 0" |
| 1986 | 24°F | -2°F | 0" | 0" |
| 1985 | 19°F | -2°F | 0" | 0" |
| 1984 | 61°F | 28°F | 0" | 0" |
| 1983 | 48°F | 26°F | 0" | 0" |
| 1982 | 47°F | 36°F | 0" | 0" |
| 1981 | 45°F | 32°F | 0" | -- |
| 1980 | 28°F | 20°F | 0.08" | -- |
| 1979 | 26°F | 19°F | 0" | 0" |
| 1978 | 29°F | 15°F | 0.2" | 0.5" |
| 1977 | 26°F | 15°F | 0" | 0" |
| 1976 | 65°F | 36°F | 0" | 0" |
| 1975 | 34°F | 25°F | 0.48" | 0" |
| 1974 | 32°F | 15°F | 0" | 0" |
| 1973 | 36°F | 22°F | 0.64" | 3" |
| 1972 | 46°F | 30°F | 0.51" | 0" |
| 1971 | 33°F | 24°F | 0" | -- |