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ZIP 49775 · Mackinac Island, Michigan

Current conditions and the National Weather Service 7-day forecast for ZIP code 49775, Mackinac Island, Michigan — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 62°F. Sunday Aug 30: a high near 70°F and a low around 59°F. The wettest day looks like Sunday Aug 30, near 0.24 in. Highs over the period run 70°F to 81°F.

National Weather Service forecast for ZIP 49775, Mackinac Island, Michigan
DayHighLowPrecip
Saturday Aug 2962°0.03 in
Sunday Aug 3070°59°0.24 in
Monday Aug 3177°63°0.23 in
Tuesday Sep 181°63°
Wednesday Sep 279°58°
Thursday Sep 377°57°
Friday Sep 477°58°
Saturday Sep 578°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/Detroit. The live page updates continuously.

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