Weather on October 1 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High61°F
Avg Low44°F
Warmest198968°F
Coldest197434°F
Based on 49 years of data from Houghton, MI
Planning Your Visit
October 1st in Isle Royale National Park (via Houghton, MI) typically brings mild fall weather, with average highs around 61°F and lows near 44°F. Over 49 years of records, the warmest October 1st was in 1989 (68°F average), while the coldest was 1974 (34°F) — a 34°F range across recorded history. Precipitation has occurred on 49% of recorded October 1st dates, with snow falling 4% of the time. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for October 1st 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 | 69°F | 56°F | 0" | -- |
| 2024 | 63°F | 48°F | 0" | -- |
| 2023 | 76°F | 60°F | 0.03" | -- |
| 2022 | 59°F | 45°F | 0" | -- |
| 2021 | 82°F | 53°F | 0.03" | -- |
| 2020 | 48°F | 38°F | 0.23" | -- |
| 2019 | 71°F | 47°F | 0.03" | -- |
| 2018 | 46°F | 37°F | 0.15" | -- |
| 2017 | 68°F | 49°F | 0.03" | -- |
| 2016 | 65°F | 44°F | 0" | -- |
| 2015 | 55°F | 40°F | 0" | -- |
| 2014 | 61°F | 42°F | 0.03" | -- |
| 2013 | 70°F | 53°F | 0" | -- |
| 2012 | 63°F | 38°F | 0" | -- |
| 2011 | 54°F | 32°F | 0" | -- |
| 2010 | 55°F | 38°F | 0.05" | -- |
| 2009 | 51°F | 26°F | 0" | -- |
| 2008 | 50°F | 42°F | 0.03" | -- |
| 2007 | 61°F | 54°F | 0.03" | -- |
| 2006 | 60°F | 37°F | 0" | -- |
| 2005 | 74°F | 54°F | 0" | -- |
| 2004 | 57°F | 37°F | 1.27" | -- |
| 2003 | 42°F | 32°F | 0.18" | -- |
| 2002 | 73°F | 55°F | 0.2" | 0" |
| 2001 | 69°F | 48°F | 0" | 0" |
| 2000 | 77°F | 57°F | 0" | 0" |
| 1999 | 51°F | 43°F | 0.03" | 0" |
| 1998 | 56°F | 41°F | 0.38" | 0" |
| 1997 | 55°F | 31°F | 0" | 0" |
| 1996 | 78°F | 46°F | 0" | 0" |
| 1995 | 71°F | 51°F | 0.64" | 0" |
| 1994 | 54°F | 38°F | 0" | 0" |
| 1993 | 51°F | 37°F | 0.2" | 0" |
| 1992 | 71°F | 42°F | 0" | 0" |
| 1991 | 57°F | 41°F | 0.05" | 0" |
| 1990 | 55°F | 41°F | 0.84" | 0" |
| 1989 | 81°F | 55°F | 0" | 0" |
| 1988 | 61°F | 50°F | 0" | 0" |
| 1983 | 73°F | 56°F | 0" | 0" |
| 1981 | 39°F | 33°F | 1.3" | 0.9" |
| 1980 | 61°F | 44°F | 0" | 0" |
| 1979 | 55°F | 44°F | 0.53" | 0" |
| 1978 | 61°F | 40°F | 0" | 0" |
| 1977 | 52°F | 40°F | 0" | 0" |
| 1976 | 72°F | 48°F | 0" | 0" |
| 1974 | 37°F | 31°F | 0.18" | 0.7" |
| 1973 | 67°F | 42°F | 0" | 0" |
| 1972 | 56°F | 41°F | 0.03" | 0" |
| 1971 | 75°F | 55°F | 0.18" | 0" |
October 1 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
↗