Costigan Weather Forecast

    • 61
    • 92

    Mostly Sunny

    • 67
    • 92

    Mostly Sunny

    • 65
    • 90

    Chance Rain Showers

    • 65
    • 86

    Chance Thunderstorms

    • 63
    • 87

    Chance Rain Showers

    • 60
    • 85

    Chance Rain Showers

Today 5 Aug Southern Penobscot

Sunny, hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 5 Aug Southern Penobscot

Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Costigan Temperature Statistics

August Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 1 August, 2026

    56.6 °F

  • Average August

    71.8 °F

  • Highest 1 August, 2026

    86.6 °F

Climate (2021–2026)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.8 °F
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