Grassy Island Weather Forecast

    • 42
    • 48

    Rain

    • 34
    • 53

    Chance Rain

    • 33
    • 46

    Partly Sunny

    • 39
    • 52

    Mostly Cloudy

Today 20 Nov Wayne

Mostly cloudy. Highs in the upper 40s. South Winds up to 10 Mph.

Tonight 20 Nov Wayne

Cloudy. Lows around 40. Southwest Winds around 5 Mph.

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Grassy Island Temperature Statistics

November Temperature

Detroit/Grosse Ile, Grosse Ile Airport (8.7 miles)

  • Lowest 11 November, 2025

    23 °F

  • Average November

    43.4 °F

  • Highest 15 November, 2025

    64.4 °F

Climate (2020–Present)

Detroit/Grosse Ile, Grosse Ile Airport (8.7 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    59.1 °F
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