Weather on October 11 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
October 11th in Isle Royale National Park (via Houghton, MI) typically brings mild fall weather, with average highs around 60°F and lows near 40°F. Over 50 years of records, the warmest October 11th was in 2015 (68°F average), while the coldest was 2009 (33°F) — a 35°F range across recorded history. Precipitation has occurred on 42% of recorded October 11th dates, with snow falling 4% of the time (heaviest snowfall: 2.6"). The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for October 11th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 60°F | 39°F | 0" | -- |
| 2024 | 70°F | 39°F | 0" | -- |
| 2023 | 54°F | 36°F | 0.25" | -- |
| 2022 | 77°F | 45°F | 0" | -- |
| 2021 | 66°F | 53°F | 0" | -- |
| 2020 | 60°F | 38°F | 0" | -- |
| 2019 | 60°F | 36°F | 1.47" | -- |
| 2018 | 42°F | 35°F | 0.2" | -- |
| 2017 | 56°F | 31°F | 0" | -- |
| 2016 | 60°F | 54°F | 1.04" | -- |
| 2015 | 86°F | 50°F | 0" | -- |
| 2014 | 52°F | 27°F | 0" | -- |
| 2013 | 65°F | 46°F | 0" | -- |
| 2012 | 42°F | 27°F | 0.46" | -- |
| 2011 | 73°F | 54°F | 0" | -- |
| 2010 | 56°F | 40°F | 0" | -- |
| 2009 | 38°F | 28°F | 0.18" | -- |
| 2008 | 63°F | 47°F | 0" | -- |
| 2007 | 43°F | 35°F | 0.03" | -- |
| 2006 | 44°F | 29°F | 1.07" | -- |
| 2005 | 60°F | 33°F | 0" | -- |
| 2004 | 65°F | 34°F | 0" | -- |
| 2003 | 74°F | 47°F | 1.09" | -- |
| 2002 | 75°F | 48°F | 0" | 0" |
| 2001 | 68°F | 49°F | 0.13" | 0" |
| 2000 | 67°F | 42°F | 0" | 0" |
| 1999 | 62°F | 38°F | 0" | 0" |
| 1998 | 67°F | 51°F | 0" | 0" |
| 1997 | 71°F | 43°F | 0.56" | 0" |
| 1996 | 60°F | 28°F | 0" | 0" |
| 1995 | 77°F | 42°F | 0" | 0" |
| 1994 | 71°F | 35°F | 0" | 0" |
| 1993 | 58°F | 35°F | 0" | 0" |
| 1992 | 52°F | 42°F | 0" | 0" |
| 1991 | 50°F | 33°F | 0.03" | 0" |
| 1990 | 57°F | 32°F | 0.74" | 2.6" |
| 1989 | 69°F | 36°F | 0" | 0" |
| 1988 | 38°F | 34°F | 0" | 0" |
| 1983 | 55°F | 45°F | 2.54" | 0" |
| 1981 | 50°F | 43°F | 0" | 0" |
| 1980 | 43°F | 33°F | 1.14" | 1.4" |
| 1979 | 43°F | 32°F | 0" | 0" |
| 1978 | 63°F | 47°F | 0.08" | 0" |
| 1977 | 49°F | 36°F | 0.56" | 0" |
| 1976 | 70°F | 38°F | 0" | 0" |
| 1975 | 49°F | 45°F | 0.13" | 0" |
| 1974 | 72°F | 45°F | 0.05" | 0" |
| 1973 | 67°F | 56°F | 0" | 0" |
| 1972 | 57°F | 38°F | 0.28" | 0" |
| 1971 | 49°F | 40°F | 0.23" | 0" |