Costigan Weather Forecast

    • 33
    • 56

    Becoming Sunny

    • 43
    • 61

    Rain

    • 46
    • 63

    Rain Showers

    • 45
    • 59

    Rain Showers Likely

    • 50
    • 70

    Partly Sunny

    • 46
    • 71

    Partly Sunny

    • 49
    • 69

    Partly Sunny

Today 12 May Southern Penobscot

Partly sunny. Near steady temperature in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 May Southern Penobscot

Mostly clear this Evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costigan Temperature Statistics

May Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    48.7 °F

  • Highest 5 May, 2026

    68.6 °F

Climate (2021–Present)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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