Roque Island - Patten Cove Weather Forecast

    • 54
    • 60

    Patchy Fog

    • 44
    • 64

    Mostly Sunny

    • 43
    • 56

    Sunny

    • 51
    • 56

    Mostly Sunny

    • 53
    • 58

    Partly Sunny

    • 53
    • 62

    Slight Chance Rain Showers

Today 18 Sep Coastal Washington

Mostly cloudy with isolated Showers this Morning, then partly sunny this afternoon. Areas of fog this morning. Patchy fog this afternoon. Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Coastal Washington

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog. Lows in the mid 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roque Island - Patten Cove Temperature Statistics

September Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (41.6 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 (41.6 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    54.8 °F
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