Costigan Weather Forecast

    • 49
    • 73

    Partly Sunny

    • 56
    • 71

    Chance Rain

    • 41
    • 70

    Mostly Sunny

    • 40
    • 64

    Partly Sunny

    • 41
    • 65

    Chance Rain Showers

    • 41
    • 66

    Partly Sunny

Today 16 Sep Southern Penobscot

Patchy fog in the morning. Partly sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 16 Sep Southern Penobscot

Partly cloudy. Patchy fog after midnight. Lows around 50. Southwest Winds around 5 Mph with Gusts up to 15 Mph, becoming north after midnight.

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Costigan Temperature Statistics

September Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 9 September, 2026

    40.6 °F

  • Average September

    62.3 °F

  • Highest 10 September, 2026

    82.7 °F

Climate (2021–2026)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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