St. Ignace, MI 7-Day Night Weather Forecast
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St. Ignace, MI Weather Forecast


St. Ignace, MI Weather Forecast Date: 1213 PM EDT Sat Sep 19 2026
The area/counties/county of: Eastern Mackinac, including the cities of: St. Ignace, Brevort, and Les Cheneaux Islands.or toggle through each period.
This Afternoon... Partly sunny. Highs in the mid 60s. East winds 5 to 15 mph.
Tonight... Mostly cloudy with a 20% chance of rain showers early, then partly cloudy after midnight. Patchy fog after midnight. Lows in the lower 40s. Northeast winds up to 10 mph.
Sunday... Partly sunny. Highs in the upper 60s. North winds 5 to 15 mph.
Sunday Night... Partly cloudy. Lows around 40. Northeast winds 5 to 10 mph with gusts to around 25 mph.
Monday... Partly sunny. Highs around 60. East winds 5 to 10 mph. Gusts up to 20 mph early.
Monday Night... Partly cloudy. Lows in the upper 30s.
Tuesday... Mostly sunny. Highs in the lower 60s.
Tuesday Night... Mostly clear. Lows in the lower 40s.
Wednesday... Mostly sunny. Highs in the mid 60s.
Wednesday Night... Partly cloudy. Lows in the mid 40s.
Thursday... Partly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy. Lows in the mid 40s.
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