7-Day Zone Forecast for Mackinac Island/Bois Blanc Island (Text-Only)
NWS Forecast for: Mackinac Island/Bois Blanc Island
Issued by: National Weather Service Gaylord, MI
Last Update: 407 PM EDT Mon Sep 1 2025


This Afternoon: Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Tonight: Clear early then becoming partly cloudy. Lows in the mid 50s. South winds around 5 mph.

Tuesday: Mostly sunny. Highs in the lower 70s. Light winds.

Tuesday Night: Mostly clear. Lows in the upper 50s. South winds up to 10 mph.

Wednesday: Rain showers likely early, then rain showers in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph.

Wednesday Night: Rain showers likely. Cooler. Lows in the upper 40s. Chance of showers 70 percent.

Thursday: Mostly cloudy with a 40 percent chance of rain showers. Cooler. Highs around 60.

Thursday Night: Mostly cloudy with a 50 percent chance of rain showers. Lows in the upper 40s.

Friday: Rain showers likely. Highs in the lower 60s. Chance of showers 70 percent.

Friday Night: Partly cloudy with a 30 percent chance of rain showers. Lows in the upper 40s.

Saturday: Partly sunny with a 30 percent chance of rain showers. Highs in the lower 60s.

Saturday Night: Partly cloudy. Lows in the mid 40s.

Sunday: Partly sunny. Highs in the lower 60s.







Zone Forecast: Mackinac Island/Bois Blanc Island

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