Grassy Lake Weather Forecast

    • 34
    • 53

    Mostly Cloudy

    • 39
    • 61

    Partly Sunny

    • 46
    • 64

    Mostly Cloudy

    • 34
    • 55

    Chance Rain Showers

    • 30
    • 48

    Mostly Cloudy

    • 30
    • 49

    Partly Sunny

Today 25 Apr Northern Schoolcraft

Patchy fog this morning. Cloudy. Highs in the lower 50s. North Winds 5 to 10 Mph.

Tonight 25 Apr Northern Schoolcraft

Patchy fog after midnight. Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 36. Light east Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

April Temperature

Munising - Munising Lakeshore Observation (13 miles)

  • Lowest 6 April, 2026

    21 °F

  • Average April

    35 °F

  • Highest 17 April, 2026

    64 °F

Climate (2021–Present)

Munising - Munising Lakeshore Observation (13 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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