Kennebec River - Lines Island Weather Forecast

    • 59
    • 68

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

    • 51
    • 70

    Slight Chance Rain Showers

    • 51
    • 69

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 58
    • 70

    Chance Rain Showers

Today 3 Sep Sagadahoc

Cloudy with a 20 percent chance of Showers. Highs around 70. Light and variable Winds.

Tonight 3 Sep Sagadahoc

Mostly cloudy. Patchy fog. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kennebec River - Lines Island Temperature Statistics

September Temperature

Wiscasset Airport (5.6 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    63.7 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Wiscasset Airport (5.6 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58.1 °F
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