Weather on July 28 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
July 28th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 75°F and lows near 57°F. Over 50 years of records, the warmest July 28th was in 1988 (80°F average), while the coldest was 2013 (49°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 34% of July 28th dates historically, with the wettest July 28th recording 2.34" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for July 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 |
|---|---|---|---|---|
| 2025 | 82°F | 62°F | 0" | -- |
| 2024 | 89°F | 71°F | 0" | -- |
| 2023 | 76°F | 60°F | 0" | -- |
| 2022 | 69°F | 56°F | 0" | -- |
| 2021 | 82°F | 54°F | 0.89" | -- |
| 2020 | 78°F | 62°F | 0" | -- |
| 2019 | 84°F | 62°F | 0.43" | -- |
| 2018 | 77°F | 56°F | 0" | -- |
| 2017 | 79°F | 52°F | 0" | -- |
| 2016 | 72°F | 50°F | 0" | -- |
| 2015 | 83°F | 59°F | 0" | -- |
| 2014 | 68°F | 48°F | 0" | -- |
| 2013 | 52°F | 46°F | 2.34" | -- |
| 2012 | 78°F | 46°F | 0" | -- |
| 2011 | 83°F | 67°F | 0" | -- |
| 2010 | 74°F | 58°F | 0" | -- |
| 2009 | 67°F | 55°F | 0.18" | -- |
| 2008 | 78°F | 48°F | 0" | -- |
| 2007 | 83°F | 55°F | 0" | -- |
| 2006 | 84°F | 62°F | 0" | -- |
| 2005 | 69°F | 49°F | 0.18" | -- |
| 2004 | 81°F | 53°F | 0" | -- |
| 2003 | 78°F | 54°F | 0" | 0" |
| 2002 | 84°F | 64°F | 0.15" | 0" |
| 2001 | 73°F | 58°F | 0.1" | 0" |
| 2000 | 76°F | 67°F | 0" | 0" |
| 1999 | 81°F | 61°F | 0" | 0" |
| 1998 | 77°F | 61°F | 0.41" | 0" |
| 1997 | 82°F | 58°F | 0" | 0" |
| 1996 | 69°F | 51°F | 0.81" | 0" |
| 1995 | 84°F | 65°F | 0" | 0" |
| 1994 | 76°F | 56°F | 0" | 0" |
| 1993 | 72°F | 58°F | 0.13" | 0" |
| 1992 | 66°F | 52°F | 0.43" | 0" |
| 1991 | 62°F | 56°F | 1.65" | 0" |
| 1990 | 79°F | 64°F | 0" | 0" |
| 1989 | 71°F | 53°F | 0" | 0" |
| 1988 | 96°F | 65°F | 0" | 0" |
| 1983 | 83°F | 68°F | 0" | 0" |
| 1981 | 72°F | 53°F | 0" | 0" |
| 1980 | 77°F | 59°F | 0.13" | 0" |
| 1979 | 75°F | 55°F | 0" | 0" |
| 1978 | 71°F | 47°F | 0.33" | 0" |
| 1977 | 64°F | 58°F | 0.64" | 0" |
| 1976 | 67°F | 56°F | 0" | 0" |
| 1975 | 84°F | 56°F | 0" | 0" |
| 1974 | 74°F | 59°F | 0" | 0" |
| 1973 | 65°F | 51°F | 0" | 0" |
| 1972 | 62°F | 51°F | 0.79" | 0" |
| 1971 | 59°F | 46°F | 0.3" | 0" |