Bangor International Airport Weather Forecast

    • 50
    • 75

    Slight Chance Rain Showers

    • 49
    • 74

    Mostly Sunny

    • 51
    • 78

    Sunny

    • 52
    • 80

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 48
    • 78

    Partly Sunny

Today 14 Sep Southern Penobscot

Mostly sunny. Patchy fog this morning. Isolated Showers this afternoon. Highs in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 14 Sep Southern Penobscot

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Patchy fog after midnight. Lows in the upper 40s. North Winds around 5 Mph. Chance of rain 20 percent.

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Bangor International Airport Temperature Statistics

September Temperature

Bangor, Bangor International Airport (0.6 miles)

  • Lowest 11 September, 2025

    42.1 °F

  • Average September

    61.9 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Bangor, Bangor International Airport (0.6 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57 °F
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