Penobscot River - Penobscot Bridge Weather Forecast

    • 51
    • 79

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 42
    • 71

    Mostly Sunny

    • 41
    • 66

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

Today 16 Sep Southern Penobscot

Patchy fog this morning. Sunny. Highs in the upper 70s. North Winds around 5 Mph.

Tonight 16 Sep Southern Penobscot

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Southwest Winds around 5 Mph.

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Penobscot River - Penobscot Bridge Temperature Statistics

September Temperature

Bangor, Bangor International Airport (2.5 miles)

  • Lowest 11 September, 2025

    42.1 °F

  • Average September

    61.2 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Bangor, Bangor International Airport (2.5 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
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