Weather on August 28 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
August 28th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 72°F and lows near 55°F. Over 51 years of records, the warmest August 28th was in 1973 (81°F average), while the coldest was 2004 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 39% of August 28th dates historically, with the wettest August 28th recording 0.99" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for August 28th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 79°F | 48°F | 0" | 0" |
| 2025 | 62°F | 43°F | 0" | -- |
| 2024 | 65°F | 54°F | 0" | -- |
| 2023 | 76°F | 46°F | 0.38" | -- |
| 2022 | 77°F | 65°F | 0.1" | -- |
| 2021 | 80°F | 63°F | 0.38" | -- |
| 2020 | 65°F | 55°F | 0.71" | -- |
| 2019 | 61°F | 52°F | 0.32" | -- |
| 2018 | 58°F | 52°F | 0.01" | -- |
| 2017 | 69°F | 56°F | 0" | -- |
| 2016 | 76°F | 60°F | 0" | -- |
| 2015 | 72°F | 50°F | 0.11" | -- |
| 2014 | 69°F | 44°F | 0" | -- |
| 2013 | 85°F | 57°F | 0" | -- |
| 2012 | 74°F | 50°F | 0" | -- |
| 2011 | 75°F | 46°F | 0" | -- |
| 2010 | 88°F | 68°F | 0" | -- |
| 2009 | 62°F | 53°F | 0.99" | -- |
| 2008 | 70°F | 52°F | 0.22" | -- |
| 2007 | 73°F | 61°F | 0.6" | -- |
| 2006 | 73°F | 52°F | 0" | -- |
| 2005 | 69°F | 58°F | 0" | -- |
| 2004 | 55°F | 48°F | 0" | -- |
| 2003 | 67°F | 51°F | 0.4" | 0" |
| 2002 | 73°F | 54°F | 0" | 0" |
| 2001 | 76°F | 52°F | 0" | 0" |
| 2000 | 80°F | 59°F | 0" | 0" |
| 1999 | 71°F | 56°F | 0" | 0" |
| 1998 | 83°F | 65°F | 0.09" | 0" |
| 1997 | 70°F | 58°F | 0" | 0" |
| 1996 | 76°F | 49°F | 0" | 0" |
| 1995 | 78°F | 63°F | 0.01" | 0" |
| 1994 | 69°F | 56°F | 0.65" | 0" |
| 1993 | 70°F | 55°F | 0" | 0" |
| 1992 | 66°F | 46°F | 0" | 0" |
| 1991 | 91°F | 69°F | 0" | 0" |
| 1990 | 71°F | 58°F | 0" | 0" |
| 1989 | 70°F | 54°F | 0" | 0" |
| 1988 | 60°F | 52°F | 0" | 0" |
| 1983 | 77°F | 63°F | 0.15" | 0" |
| 1981 | 71°F | 58°F | 0" | 0" |
| 1980 | 66°F | 51°F | 0" | 0" |
| 1979 | 69°F | 50°F | 0.08" | 0" |
| 1978 | 69°F | 56°F | 0.12" | 0" |
| 1977 | 77°F | 53°F | 0.03" | 0" |
| 1976 | 66°F | 48°F | 0" | 0" |
| 1975 | 62°F | 55°F | 0.17" | 0" |
| 1974 | 63°F | 45°F | 0.02" | 0" |
| 1973 | 92°F | 70°F | 0" | 0" |
| 1972 | 77°F | 60°F | 0" | 0" |
| 1971 | 75°F | 49°F | 0" | 0" |