Williams Island Weather Forecast

    • 47
    • 55

    Rain Showers Likely

    • 43
    • 53

    Rain Showers Likely

    • 42
    • 51

    Chance Rain Showers

    • 41
    • 53

    Mostly Cloudy

    • 42
    • 52

    Rain Likely

    • 42
    • 49

    Rain Likely

Today 18 May Coastal Washington

Mostly cloudy with a 40 percent chance of Showers. Highs in the mid 50s. Southwest Winds around 5 Mph with Gusts up to 15 Mph.

Tonight 18 May Coastal Washington

Mostly cloudy. Isolated Showers in the Evening, then scattered Showers after midnight. Lows in the upper 40s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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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 1 May, 2025

    36 °F

  • Average May

    50.9 °F

  • Highest 15 May, 2025

    70 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    54.8 °F
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