Weather on February 21 at Indiana Dunes
Indiana Dunes National Park
Based on 56 years of data from Gary, IN
Planning Your Visit
February 21st in Indiana Dunes National Park (via Gary, IN) typically brings chilly winter weather, with average highs around 42°F and lows near 25°F. Over 56 years of records, the warmest February 21st was in 2017 (58°F average), while the coldest was 2015 (10°F) — a 48°F range across recorded history. Precipitation has occurred on 36% of recorded February 21st dates, with snow falling 11% of the time (heaviest snowfall: 7.6"). The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for February 21st in Indiana Dunes? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 38°F | 30°F | 0" | 0" |
| 2025 | 30°F | 12°F | 0" | 0" |
| 2024 | 57°F | 34°F | 0" | 0" |
| 2023 | 42°F | 27°F | 0" | 0" |
| 2022 | 48°F | 29°F | -- | -- |
| 2021 | 38°F | 16°F | -- | -- |
| 2020 | 22°F | 10°F | 0" | 0" |
| 2019 | 37°F | 28°F | 0" | 0" |
| 2018 | 64°F | 29°F | 3.89" | 0" |
| 2017 | 67°F | 49°F | 0.28" | 0" |
| 2016 | 62°F | 36°F | 0" | 0" |
| 2015 | 20°F | 1°F | 0" | 0" |
| 2014 | 51°F | 29°F | 0.05" | 0" |
| 2013 | 27°F | 13°F | 0" | 0" |
| 2012 | 43°F | 27°F | 0" | 0" |
| 2011 | 37°F | 31°F | 1.7" | 0" |
| 2010 | 39°F | 29°F | 0.03" | 0" |
| 2009 | 29°F | 16°F | 0.05" | 0.6" |
| 2008 | 19°F | 4°F | 0.76" | 7.6" |
| 2007 | 45°F | 22°F | 0" | 0" |
| 2006 | 33°F | 19°F | 0" | 0" |
| 2005 | 42°F | 33°F | 0.23" | 0" |
| 2004 | 45°F | 31°F | 0.43" | 0.2" |
| 2003 | 48°F | 26°F | 0" | 0" |
| 2002 | 56°F | 31°F | 0.1" | 0" |
| 2001 | 35°F | 16°F | 0" | 0" |
| 2000 | 36°F | 19°F | 0" | 0" |
| 1999 | 33°F | 16°F | 0" | 0" |
| 1998 | 45°F | 37°F | 0" | 0" |
| 1997 | 56°F | 35°F | 4.67" | 0" |
| 1996 | 34°F | 33°F | -- | -- |
| 1995 | 28°F | 25°F | 0" | 0" |
| 1994 | 50°F | 32°F | 0.03" | 0" |
| 1993 | 33°F | 25°F | 1.27" | 3" |
| 1992 | 44°F | 31°F | 0" | 0" |
| 1991 | 56°F | 37°F | 0" | 0" |
| 1990 | 49°F | 22°F | 0" | 0" |
| 1989 | 34°F | 25°F | 0.46" | 0.8" |
| 1988 | 29°F | 3°F | 0" | 0" |
| 1987 | 48°F | 26°F | 0" | 0" |
| 1986 | 34°F | 21°F | 0.25" | 0" |
| 1985 | 44°F | 35°F | 0.25" | 0" |
| 1984 | 50°F | 25°F | 0" | 0" |
| 1983 | 65°F | 33°F | 0" | 0" |
| 1982 | 45°F | 30°F | 0" | 0" |
| 1981 | 48°F | 28°F | 0" | -- |
| 1980 | 44°F | 31°F | 0.05" | -- |
| 1979 | 37°F | 31°F | 0.48" | 0" |
| 1978 | 25°F | 4°F | 0" | 0" |
| 1977 | 37°F | 10°F | 0" | 0" |
| 1976 | 53°F | 36°F | 0.25" | 1" |
| 1975 | 51°F | 29°F | 0" | 0" |
| 1974 | 49°F | 23°F | 0.69" | 0" |
| 1973 | 43°F | 23°F | 0" | 0" |
| 1972 | 47°F | 30°F | 0" | 0" |
| 1971 | 34°F | 30°F | 0" | -- |