Kennebec River - Thorne Island Weather Forecast

    • 61
    • 84

    Chance Rain Showers

    • 60
    • 86

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 57
    • 76

    Chance Thunderstorms

    • 55
    • 74

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 10 Aug Sagadahoc

Partly sunny. Warm with Highs in the mid 80s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 10 Aug Sagadahoc

Partly cloudy with a chance of Showers. A slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Kennebec River - Thorne Island Temperature Statistics

August Temperature

Wiscasset Airport (5 miles)

  • Lowest 5 August, 2026

    57.9 °F

  • Average August

    74.4 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Wiscasset Airport (5 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58 °F
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