Heinz Lake Weather Forecast

    • 57
    • 74

    Mostly Sunny

    • 63
    • 76

    Mostly Sunny

    • 60
    • 75

    Rain Showers Likely

    • 63
    • 80

    Chance Thunderstorms

    • 57
    • 80

    Chance Thunderstorms

    • 55
    • 77

    Mostly Sunny

Today 23 Jul Western Mackinac

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 23 Jul Western Mackinac

Mostly clear. Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Real-Time

Heinz Lake Temperature Statistics

July Temperature

Manistique, Schoolcraft County Airport (16.2 miles)

  • Lowest 11 July, 2026

    50 °F

  • Average July

    68.5 °F

  • Highest 14 July, 2026

    93.2 °F

Climate (2021–2026)

Manistique, Schoolcraft County Airport (16.2 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    51.8 °F
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