Williams Island Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 65
    • 77

    Chance Rain Showers

    • 70
    • 83

    Chance Rain Showers

    • 65
    • 81

    Partly Sunny

    • 61
    • 83

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 61
    • 78

    Slight Chance Rain Showers

Today 12 Jul Sagadahoc

Mostly sunny. Highs in the lower 80s. Southeast Winds around 10 Mph.

Tonight 12 Jul Sagadahoc

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds around 10 Mph in the Evening, becoming light and variable.

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Williams Island Temperature Statistics

July Temperature

Wiscasset Airport (10.6 miles)

  • Lowest 5 July, 2026

    59 °F

  • Average July

    75.9 °F

  • Highest 2 July, 2026

    97 °F

Climate (2021–2026)

Wiscasset Airport (10.6 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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