Deep Lake Weather Forecast

    • 44
    • 72

    Becoming Sunny

    • 47
    • 75

    Sunny

    • 49
    • 76

    Mostly Sunny

    • 50
    • 74

    Mostly Cloudy

    • 49
    • 67

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

Today 27 Sep Northern Schoolcraft

Mostly sunny. Highs in the lower 70s. Temperature falling into the lower 60s this afternoon. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 27 Sep Northern Schoolcraft

Clear. Lows around 45. West Winds 5 to 10 Mph.

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Deep Lake Temperature Statistics

September Temperature

Munising - Munising Lakeshore Observation (17.4 miles)

  • Lowest 4 September, 2025

    39.9 °F

  • Average September

    60 °F

  • Highest 16 September, 2025

    82.9 °F

Climate (2020–Present)

Munising - Munising Lakeshore Observation (17.4 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    52.2 °F
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