Charleston Weather Forecast

    • 0
    • 18

    Partly Sunny

    • 2
    • 19

    Mostly Cloudy

    • 1
    • 15

    Mostly Cloudy

    • 3
    • 23

    Partly Sunny

    • 15
    • 24

    Chance Snow

    • 11
    • 30

    Partly Sunny

Today 28 Jan Southern Penobscot

Mostly sunny. Highs around 18. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 28 Jan Southern Penobscot

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows around zero. West Winds around 5 Mph.

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Charleston Temperature Statistics

January Temperature

Bangor, Bangor International Airport (22.4 miles)

  • Lowest 25 January, 2026

    -8 °F

  • Average January

    20.5 °F

  • Highest 14 January, 2026

    46.7 °F

Climate (2021–Present)

Bangor, Bangor International Airport (22.4 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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