Weather on March 27 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
March 27th in Isle Royale National Park (via Houghton, MI) typically brings cold spring weather, with average highs around 39°F and lows near 21°F. Over 51 years of records, the warmest March 27th was in 1989 (48°F average), while the coldest was 1996 (9°F) — a 39°F range across recorded history. Precipitation has occurred on 31% of recorded March 27th dates, with snow falling 12% of the time (heaviest snowfall: 8"). The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for March 27th in Isle Royale? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 25°F | 7°F | 0.03" | -- |
| 2025 | 41°F | 29°F | 0" | -- |
| 2024 | 26°F | 22°F | 0.1" | -- |
| 2023 | 41°F | 11°F | 0" | -- |
| 2022 | 19°F | 8°F | 0" | -- |
| 2021 | 45°F | 22°F | 0.28" | -- |
| 2020 | 46°F | 18°F | 0" | -- |
| 2019 | 53°F | 31°F | 0.76" | -- |
| 2018 | 36°F | 31°F | 0.46" | -- |
| 2017 | 39°F | 32°F | 0" | -- |
| 2016 | 37°F | 32°F | 0.33" | -- |
| 2015 | 22°F | 0°F | 0" | -- |
| 2014 | 32°F | 25°F | 0" | -- |
| 2013 | 37°F | 20°F | 0" | -- |
| 2012 | 59°F | 31°F | 0.15" | -- |
| 2011 | 24°F | 2°F | 0" | -- |
| 2010 | 51°F | 30°F | 0" | -- |
| 2009 | 25°F | 9°F | 0" | -- |
| 2008 | 26°F | -1°F | 0" | -- |
| 2007 | 47°F | 37°F | 0" | -- |
| 2006 | 45°F | 20°F | 0" | -- |
| 2005 | 47°F | 21°F | 0" | -- |
| 2004 | 37°F | 26°F | 0" | -- |
| 2003 | 33°F | 22°F | 0.15" | -- |
| 2002 | 41°F | 5°F | 0" | 0" |
| 2001 | 40°F | 13°F | 0" | 0" |
| 2000 | 51°F | 31°F | 5.03" | 8" |
| 1999 | 58°F | 23°F | 0" | 0" |
| 1998 | 54°F | 38°F | 3.18" | 0" |
| 1997 | 53°F | 33°F | 0" | 0" |
| 1996 | 32°F | -14°F | 0" | 0" |
| 1995 | 37°F | 34°F | 0" | 0" |
| 1994 | 42°F | 31°F | 0.33" | 2" |
| 1993 | 46°F | 27°F | 0" | 0" |
| 1992 | 28°F | 17°F | 0" | 0" |
| 1991 | 42°F | 24°F | 1.37" | 1.6" |
| 1990 | 34°F | 12°F | 0" | 0" |
| 1989 | 56°F | 40°F | 0" | 0" |
| 1988 | 29°F | 20°F | 0.03" | 0.2" |
| 1982 | 22°F | 11°F | 0" | 0" |
| 1981 | 47°F | 23°F | 0" | 0" |
| 1980 | 38°F | 29°F | 0.25" | 1.2" |
| 1979 | 31°F | 5°F | 0" | 0" |
| 1978 | 53°F | 27°F | 0" | 0" |
| 1977 | 48°F | 37°F | 0.13" | 0" |
| 1976 | 34°F | 23°F | 0" | 0" |
| 1975 | 26°F | 20°F | 0" | 0" |
| 1974 | 25°F | 16°F | 0" | 0" |
| 1973 | 55°F | 28°F | 0" | 0" |
| 1972 | 33°F | 14°F | 0" | 0" |
| 1971 | 33°F | 27°F | 0.66" | 4" |