Great Wass Island - Popplestone Cove Weather Forecast

    • 54
    • 62

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 46
    • 64

    Mostly Sunny

    • 49
    • 58

    Mostly Sunny

    • 54
    • 59

    Partly Sunny

    • 55
    • 61

    Partly Sunny

Today 17 Sep Coastal Washington

Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. Southwest Winds around 5 Mph.

Tonight 17 Sep Coastal Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Wass Island - Popplestone Cove Temperature Statistics

September Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (39.1 miles)

  • Lowest 13 September, 2025

    43 °F

  • Average September

    60.4 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (39.1 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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