Costigan Weather Forecast

    • 50
    • 71

    Decreasing Clouds

    • 59
    • 77

    Partly Sunny

    • 49
    • 76

    Chance Rain

    • 37
    • 68

    Mostly Sunny

    • 42
    • 65

    Chance Rain Showers

    • 36
    • 64

    Chance Rain Showers

Today 30 Sep Southern Penobscot

Patchy fog this morning. Partly sunny. Highs in the lower 70s. North Winds around 5 Mph, becoming west this afternoon.

Tonight 30 Sep Southern Penobscot

Mostly cloudy in the Evening, then becoming mostly clear. Patchy fog. Lows around 50. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Costigan Temperature Statistics

September Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 24 September, 2026

    34.6 °F

  • Average September

    59.7 °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

    37.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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