Upper Birch Island Weather Forecast

    • 47
    • 57

    Decreasing Clouds

    • 48
    • 56

    Mostly Sunny

    • 50
    • 60

    Partly Sunny

    • 47
    • 64

    Mostly Sunny

    • 47
    • 57

    Mostly Sunny

    • 50
    • 56

    Partly Sunny

Today 8 Sep Coastal Washington

Patchy fog this morning. Partly sunny. Highs in the upper 60s. West Winds 5 to 10 Mph.

Tonight 8 Sep Coastal Washington

Mostly cloudy in the Evening, then clearing. Patchy fog after midnight. Lows in the mid 40s. West Winds around 5 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Birch Island Temperature Statistics

September Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (29.8 miles)

  • Lowest 3 September, 2025

    50 °F

  • Average September

    63.4 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (29.8 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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