Costigan Weather Forecast

    • 51
    • 79

    Partly Sunny

    • 54
    • 70

    Rain Showers

    • 55
    • 78

    Chance Rain Showers

    • 53
    • 74

    Chance Rain Showers

    • 52
    • 74

    Slight Chance Thunderstorms

    • 52
    • 76

    Chance Rain Showers

Today 17 Jun Southern Penobscot

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 17 Jun Southern Penobscot

Partly cloudy in the Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costigan Temperature Statistics

June Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 1 June, 2026

    36.6 °F

  • Average June

    65.2 °F

  • Highest 11 June, 2026

    87.7 °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

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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