Weather on October 27 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High49°F
Avg Low34°F
Warmest198963°F
Coldest197629°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

October 27th in Isle Royale National Park (via Houghton, MI) typically brings chilly fall weather, with average highs around 49°F and lows near 34°F. Over 50 years of records, the warmest October 27th was in 1989 (63°F average), while the coldest was 1976 (29°F) — a 34°F range across recorded history. Precipitation has occurred on 42% of recorded October 27th dates, with snow falling 6% of the time. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for October 27th in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202557°F32°F0"--
202457°F38°F0"--
202349°F35°F0.13"--
202252°F26°F0"--
202154°F34°F0"--
202034°F23°F0"--
201950°F30°F0"--
201848°F42°F0.03"--
201740°F34°F2.44"--
201646°F36°F0"--
201553°F35°F0"--
201447°F40°F0.56"--
201341°F31°F0.05"--
201236°F27°F0.2"--
201145°F30°F0"--
201043°F35°F0.89"--
200950°F37°F0"--
200839°F31°F0.05"--
200745°F34°F0.03"--
200650°F29°F0.51"--
200547°F30°F0"--
200449°F38°F0"--
200339°F20°F0.03"--
200237°F32°F0.51"0.2"
200142°F32°F0.15"0"
200070°F38°F0"0"
199952°F28°F0"0"
199868°F40°F0"0"
199736°F28°F0"0"
199664°F47°F0"0"
199549°F43°F0.18"0"
199469°F29°F0"0"
199337°F33°F0"0"
199248°F31°F0"0"
199142°F35°F0"0"
199053°F35°F0.86"0.4"
198972°F54°F0"0"
198839°F29°F0.51"0"
198370°F33°F0"0"
198145°F35°F0"0"
198037°F27°F0"0"
197940°F34°F0"0"
197844°F34°F0"0"
197758°F46°F0.43"0"
197634°F24°F0.03"0.1"
197555°F44°F0.28"0"
197464°F37°F0"0"
197342°F37°F0.25"0"
197267°F42°F0"0"
197165°F48°F0.91"0"

October 27 at Nearby Parks

Holiday Weather at Isle Royale

Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations

Explore More at Isle Royale

See historical weather for other dates

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