Saint Martin Bay Weather Forecast

    • 29
    • 45

    Rain Showers Likely

    • 37
    • 42

    Chance Rain Showers

    • 30
    • 46

    Partly Sunny

    • 23
    • 33

    Chance Rain/Freezing Rain

    • 19
    • 30

    Chance Snow Showers

    • 26
    • 33

    Breezy

Today 7 Mar Eastern Mackinac

Mostly cloudy. Light rain Showers likely Early, then chance of rain Showers in the afternoon. Highs in the mid 40s. Southwest Winds 5 to 10 Mph shifting to the northwest in the afternoon. Gusts up to 20 Mph. Chance of Showers 70 percent.

Tonight 7 Mar Eastern Mackinac

Light rain Showers and light freezing rain likely after Midnight, then rain Showers with possible freezing rain and Thunderstorms likely after midnight. Patchy dense fog after midnight. Areas of dense fog after midnight. Lows in the lower 30s. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Martin Bay Temperature Statistics

March Temperature

Mackinac Island Airport (9.3 miles)

  • Lowest 1 March, 2026

    5 °F

  • Average March

    25.5 °F

  • Highest 4 March, 2026

    44.6 °F

Climate (2021–Present)

Mackinac Island Airport (9.3 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    51.1 °F
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