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: 613 PM EDT Sat Apr 18 2026




Tonight: Mostly cloudy early then becoming partly cloudy. Isolated snow showers. Lows in the upper 20s. West winds 5 to 15 mph with gusts to around 25 mph. Chance of snow 20 percent.

Sunday: Partly sunny. Highs in the mid 30s. Northwest winds 10 to 20 mph.

Sunday Night: Partly cloudy. Lows in the mid 20s. Northwest winds 5 to 15 mph. Gusts up to 25 mph early.

Monday: Partly sunny. Highs in the upper 30s. West winds 5 to 15 mph.

Monday Night: Partly cloudy early then becoming mostly cloudy. Lows in the lower 30s. South winds 5 to 15 mph with gusts to around 25 mph.

Tuesday: Mostly sunny. Not as cool. Highs around 50.

Tuesday Night: Mostly clear. Lows in the lower 30s.

Wednesday: Mostly sunny. Highs in the upper 40s.

Wednesday Night: Mostly clear. Lows in the upper 30s.

Thursday: Partly sunny. Highs in the mid 50s.

Thursday Night: Partly cloudy with a 40 percent chance of light rain showers. Lows in the mid 40s.

Friday: Mostly cloudy with a 50 percent chance of rain showers. Highs in the mid 50s.

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

Saturday: Partly sunny with a 30 percent chance of rain showers. Highs in the upper 40s.







Zone Forecast: Mackinac Island/Bois Blanc Island

Visit your local NWS office at: https://www.weather.gov/apx