Long Lake Weather Forecast

    • 41
    • 55

    Partly Sunny

    • 53
    • 67

    Rain Showers Likely

    • 53
    • 67

    Rain Showers

    • 49
    • 67

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 53
    • 70

    Chance Thunderstorms

    • 53
    • 73

    Chance Thunderstorms

Today 7 Sep Northern Schoolcraft

Partly cloudy with a 20 percent chance of Showers. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 Sep Northern Schoolcraft

Mostly clear. Lows around 40. Light southwest Winds, becoming south after midnight.

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Long Lake Temperature Statistics

September Temperature

Munising - Munising Lakeshore Observation (27.3 miles)

  • Lowest 4 September, 2025

    39.9 °F

  • Average September

    57.9 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

Munising - Munising Lakeshore Observation (27.3 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    52.2 °F
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