St Helena Island Nature Preserve Weather Forecast

    • 30
    • 41

    Mostly Cloudy

    • 42
    • 47

    Rain Showers Likely

    • 33
    • 57

    Chance Rain/Snow

    • 25
    • 38

    Chance Snow

    • 28
    • 37

    Mostly Cloudy

    • 34
    • 44

    Chance Rain/Snow

    • 25
    • 42

    Chance Rain/Snow

Today 13 Mar Eastern Mackinac

Partly sunny. Highs in the upper 40s. Southwest Winds 5 to 15 Mph.

Tonight 13 Mar Eastern Mackinac

Partly cloudy. Lows around 30. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Helena Island Nature Preserve Temperature Statistics

March Temperature

Mackinac Island Airport (11.2 miles)

  • Lowest 1 March, 2025

    3.2 °F

  • Average March

    27.7 °F

  • Highest 10 March, 2025

    53.6 °F

Climate (2020–Present)

Mackinac Island Airport (11.2 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    51.1 °F
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