St Helena Island Nature Preserve Weather Forecast

    • 42
    • 47

    Mostly Cloudy

    • 34
    • 53

    Rain Showers

    • 25
    • 36

    Chance Rain/Snow

    • 33
    • 39

    Partly Sunny

    • 36
    • 44

    Mostly Cloudy

    • 29
    • 45

    Rain/Snow Likely

Today 14 Mar Eastern Mackinac

Partly sunny. Highs in the upper 40s. Southeast Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 14 Mar Eastern Mackinac

Partly cloudy Early, then mostly cloudy with light rain Showers after midnight. Lows around 40. Southeast Winds 10 to 15 Mph with Gusts to around 25 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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