Williams Island Weather Forecast

    • 42
    • 56

    Mostly Cloudy

    • 39
    • 53

    Partly Sunny

    • 42
    • 54

    Mostly Cloudy

    • 45
    • 52

    Rain Showers

    • 44
    • 54

    Chance Rain Showers

    • 47
    • 58

    Chance Rain Showers

    • 46
    • 62

    Partly Sunny

Today 11 May Coastal Washington

Partly sunny. Near steady temperature in the upper 50s. West Winds 5 to 10 Mph.

Tonight 11 May Coastal Washington

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 40s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williams Island Temperature Statistics

May Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (65.9 miles)

  • Lowest 2 May, 2026

    30.9 °F

  • Average May

    48 °F

  • Highest 1 May, 2026

    59 °F

Climate (2021–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (65.9 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.5 °F
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