Big Island Lake Weather Forecast

    • 34
    • 52

    Mostly Cloudy

    • 40
    • 61

    Partly Sunny

    • 46
    • 63

    Rain Showers

    • 33
    • 54

    Slight Chance Rain Showers

    • 30
    • 47

    Mostly Cloudy

    • 29
    • 45

    Partly Sunny

Today 25 Apr Northern Schoolcraft

Cloudy. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph.

Tonight 25 Apr Northern Schoolcraft

Mostly cloudy. Patchy fog after midnight. Lows around 35. Light east Winds, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Island Lake Temperature Statistics

April Temperature

Munising - Munising Lakeshore Observation (12.4 miles)

  • Lowest 6 April, 2026

    21 °F

  • Average April

    35 °F

  • Highest 17 April, 2026

    64 °F

Climate (2021–Present)

Munising - Munising Lakeshore Observation (12.4 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    52.1 °F
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