Costigan Weather Forecast

    • 50
    • 59

    Mostly Cloudy

    • 41
    • 66

    Rain Showers Likely

    • 37
    • 60

    Partly Sunny

    • 38
    • 59

    Mostly Sunny

    • 49
    • 67

    Chance Rain

    • 43
    • 68

    Chance Rain

Today 7 Oct Southern Penobscot

Mostly cloudy. Highs in the upper 50s. South Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 7 Oct Southern Penobscot

Mostly cloudy in the Evening, then becoming partly cloudy. A 20 percent chance of rain. Not as cool with Lows in the upper 40s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Costigan Temperature Statistics

October Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 4 October, 2026

    35.1 °F

  • Average October

    56.4 °F

  • Highest 1 October, 2026

    75.7 °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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