Weather on July 3 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High78°F
Avg Low56°F
Warmest199081°F
Coldest197248°F
Based on 51 years of data from Houghton, MI
Planning Your Visit
July 3rd in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 78°F and lows near 56°F. Over 51 years of records, the warmest July 3rd was in 1990 (81°F average), while the coldest was 1972 (48°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 3rd dates historically, with the wettest July 3rd recording 3.45" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for July 3rd in Isle Royale? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 80°F | 59°F | 0" | -- |
| 2025 | 76°F | 50°F | 0" | -- |
| 2024 | 80°F | 60°F | 0" | -- |
| 2023 | 82°F | 53°F | 0" | -- |
| 2022 | 76°F | 44°F | 0" | -- |
| 2021 | 85°F | 69°F | 0" | -- |
| 2020 | 89°F | 64°F | 0" | -- |
| 2019 | 87°F | 57°F | 0" | -- |
| 2018 | 84°F | 63°F | 0" | -- |
| 2017 | 74°F | 53°F | 0" | -- |
| 2016 | 77°F | 49°F | 0" | -- |
| 2015 | 74°F | 59°F | 0.03" | -- |
| 2014 | 70°F | 49°F | 0" | -- |
| 2013 | 78°F | 43°F | 0" | -- |
| 2012 | 84°F | 65°F | 2.26" | -- |
| 2011 | 76°F | 54°F | 0" | -- |
| 2010 | 90°F | 69°F | 0" | -- |
| 2009 | 67°F | 51°F | 0" | -- |
| 2008 | 68°F | 46°F | 0" | -- |
| 2007 | 75°F | 56°F | 0" | -- |
| 2006 | 77°F | 60°F | 0" | -- |
| 2005 | 80°F | 58°F | 0" | -- |
| 2004 | 80°F | 52°F | 0" | -- |
| 2003 | 80°F | 59°F | 0.05" | 0" |
| 2002 | 84°F | 66°F | 0.05" | 0" |
| 2001 | 78°F | 55°F | 0.03" | 0" |
| 2000 | 71°F | 46°F | 0" | 0" |
| 1999 | 77°F | 59°F | 1.45" | 0" |
| 1998 | 84°F | 62°F | 0.03" | 0" |
| 1997 | 67°F | 47°F | 0" | 0" |
| 1996 | 74°F | 51°F | 0" | 0" |
| 1995 | 74°F | 56°F | 1.57" | 0" |
| 1994 | 74°F | 47°F | 0" | 0" |
| 1993 | 75°F | 58°F | 0" | 0" |
| 1992 | 63°F | 46°F | 0.08" | 0" |
| 1991 | 71°F | 56°F | 0" | 0" |
| 1990 | 93°F | 69°F | 0" | 0" |
| 1989 | 80°F | 66°F | 0" | 0" |
| 1988 | 85°F | 57°F | 0" | 0" |
| 1983 | 84°F | 58°F | 1.73" | 0" |
| 1981 | 82°F | 60°F | 1.17" | 0" |
| 1980 | 83°F | 63°F | 0" | 0" |
| 1979 | 73°F | 47°F | 0" | 0" |
| 1978 | 77°F | 49°F | 0" | 0" |
| 1977 | 79°F | 58°F | 1.52" | 0" |
| 1976 | 81°F | 51°F | 0" | 0" |
| 1975 | 82°F | 59°F | 0" | 0" |
| 1974 | 75°F | 57°F | 3.45" | 0" |
| 1973 | 84°F | 58°F | 0" | 0" |
| 1972 | 57°F | 39°F | 0" | 0" |
| 1971 | 83°F | 53°F | 0.05" | 0" |
July 3 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
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