Costigan Weather Forecast

    • 4
    • 9

    Snow

    • 7
    • 15

    Snow

    • -2
    • 18

    Partly Sunny

    • -5
    • 18

    Partly Sunny

    • 0
    • 17

    Mostly Cloudy

    • 7
    • 22

    Mostly Cloudy

Today 25 Jan Southern Penobscot

Partly sunny this Morning, then becoming mostly cloudy. Cold with Highs around 9 above. Northwest Winds around 5 Mph, becoming north around 5 Mph this afternoon.

Tonight 25 Jan Southern Penobscot

Snow. Snow accumulation of 4 to 8 Inches. Cold with Lows around 4 above. Northeast Winds 5 to 10 Mph. Chance of snow near 100 percent.

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Costigan Temperature Statistics

January Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 5 January, 2026

    -7.3 °F

  • Average January

    22.3 °F

  • Highest 14 January, 2026

    46.7 °F

Climate (2021–Present)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    56.9 °F
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