Weather on August 26 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
August 26th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 83°F and lows near 63°F. Over 55 years of records, the warmest August 26th was in 2018 (83°F average), while the coldest was 2015 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 26th dates historically, with the wettest August 26th recording 6.15" 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 August 26th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 72°F | 63°F | 0" | 0" |
| 2024 | 91°F | 72°F | 0" | 0" |
| 2023 | 76°F | 64°F | 0" | 0" |
| 2022 | 80°F | 67°F | 0.74" | 0" |
| 2021 | 91°F | -- | 2.03" | 0" |
| 2020 | 87°F | 68°F | 0" | 0" |
| 2019 | 76°F | 63°F | -- | -- |
| 2018 | 93°F | 73°F | -- | -- |
| 2017 | 73°F | 52°F | 0" | 0" |
| 2016 | 79°F | 65°F | 0" | 0" |
| 2015 | 66°F | 58°F | 0" | 0" |
| 2014 | 90°F | 68°F | 0.71" | 0" |
| 2013 | 89°F | 68°F | 0" | 0" |
| 2012 | 90°F | 64°F | 0" | 0" |
| 2011 | 75°F | 54°F | 0" | 0" |
| 2010 | 75°F | 57°F | 0" | 0" |
| 2009 | 81°F | 57°F | 0" | 0" |
| 2008 | 73°F | 56°F | 0" | 0" |
| 2007 | 74°F | 57°F | 0.18" | 0" |
| 2006 | 83°F | 69°F | 0" | 0" |
| 2005 | 82°F | 65°F | 0" | 0" |
| 2004 | 78°F | 66°F | 4.09" | 0" |
| 2003 | 91°F | 72°F | 0" | 0" |
| 2002 | 80°F | 64°F | 0" | 0" |
| 2001 | 81°F | 70°F | 4.06" | 0" |
| 2000 | 83°F | 63°F | 0" | 0" |
| 1999 | 70°F | 64°F | 2.74" | 0" |
| 1998 | 84°F | 59°F | 0" | 0" |
| 1997 | 81°F | 65°F | 0" | 0" |
| 1996 | 84°F | 62°F | -- | 0" |
| 1995 | 85°F | 65°F | 0" | 0" |
| 1994 | 87°F | 69°F | 0" | 0" |
| 1993 | 91°F | 65°F | 1.27" | 0" |
| 1992 | 87°F | 66°F | 0" | 0" |
| 1991 | 91°F | 64°F | 0" | 0" |
| 1990 | 87°F | 65°F | 0" | 0" |
| 1989 | 80°F | 67°F | 0" | 0" |
| 1988 | 82°F | 54°F | 0" | 0" |
| 1987 | 73°F | 53°F | 6.15" | 0" |
| 1986 | 88°F | 58°F | 2.54" | 0" |
| 1985 | 77°F | 58°F | 0" | 0" |
| 1984 | 86°F | 53°F | 0" | 0" |
| 1983 | 89°F | 70°F | 0" | 0" |
| 1982 | 78°F | 55°F | 0" | 0" |
| 1981 | 84°F | 66°F | 0.69" | 0" |
| 1980 | 89°F | 64°F | 0" | 0" |
| 1979 | 80°F | 56°F | 0" | 0" |
| 1978 | 87°F | 66°F | 0" | 0" |
| 1977 | 86°F | 59°F | 0" | 0" |
| 1976 | 85°F | 67°F | 0" | 0" |
| 1975 | 83°F | 67°F | 0.25" | 0" |
| 1974 | 90°F | 60°F | 0" | 0" |
| 1973 | 92°F | 70°F | 0" | 0" |
| 1972 | 82°F | 66°F | 3.02" | 0" |
| 1971 | 83°F | 63°F | 0" | 0" |