Marr Island Weather Forecast

    • 59
    • 69

    Chance Rain Showers

    • 61
    • 71

    Partly Sunny

    • 65
    • 75

    Partly Sunny

    • 63
    • 76

    Chance Thunderstorms

    • 62
    • 77

    Mostly Sunny

    • 62
    • 75

    Partly Sunny

Today 7 Jul Sagadahoc

Mostly cloudy. Patchy fog this morning. A slight chance of Showers this afternoon. Highs in the upper 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 7 Jul Sagadahoc

Mostly cloudy with a 20 percent chance of Showers. Patchy fog after midnight. Lows in the upper 50s. Light and variable Winds.

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Marr Island Temperature Statistics

July Temperature

Wiscasset Airport (13 miles)

  • Lowest 1 July, 2026

    66.9 °F

  • Average July

    81.3 °F

  • Highest 2 July, 2026

    97 °F

Climate (2021–2026)

Wiscasset Airport (13 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.9 °F
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