Costigan Weather Forecast

    • 27
    • 46

    Increasing Clouds

    • 36
    • 47

    Rain Showers Likely

    • 31
    • 48

    Rain Showers Likely

    • 30
    • 50

    Partly Sunny

    • 35
    • 54

    Mostly Cloudy

    • 37
    • 58

    Mostly Cloudy

Today 21 Apr Southern Penobscot

Mostly sunny. Near steady temperature in the mid 40s. West Winds around 5 Mph.

Tonight 21 Apr Southern Penobscot

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costigan Temperature Statistics

April Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 7 April, 2026

    22.6 °F

  • Average April

    43.4 °F

  • Highest 17 April, 2026

    69.7 °F

Climate (2021–Present)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.8 °F
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