Outer Heron Island Weather Forecast

    • 61
    • 68

    Rain Showers Likely

    • 59
    • 71

    Mostly Sunny

    • 62
    • 69

    Mostly Cloudy

    • 64
    • 71

    Partly Sunny

    • 65
    • 72

    Partly Sunny

    • 65
    • 73

    Partly Sunny

Today 3 Aug Lincoln

Showers likely with a chance of Thunderstorms. Patchy fog. Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 3 Aug Lincoln

Patchy fog in the evening. Mostly cloudy with Showers likely with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows around 60. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Outer Heron Island Temperature Statistics

August Temperature

Wiscasset Airport (14.3 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    72.1 °F

  • Highest 1 August, 2026

    84.9 °F

Climate (2021–2026)

Wiscasset Airport (14.3 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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