Charleston Weather Forecast

    • 14
    • 23

    Snow Likely

    • 12
    • 34

    Slight Chance Snow Showers

    • -8
    • 22

    Slight Chance Snow Showers

    • -11
    • 4

    Cold

    • -5
    • 8

    Cold

    • 0
    • 14

    Mostly Cloudy

Today 21 Jan Southern Penobscot

Mostly sunny. A slight chance of snow this afternoon. Highs in the lower 20s. Southwest Winds 5 to 10 Mph. Chance of snow 20 percent.

Tonight 21 Jan Southern Penobscot

Snow likely. Total snow accumulation of 2 to 4 Inches. Not as cool with Lows around 16. Temperature rising into the lower 20s after midnight. South Winds around 5 Mph. Chance of snow 70 percent.

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Charleston Temperature Statistics

January Temperature

Bangor, Bangor International Airport (22.4 miles)

  • Lowest 5 January, 2026

    -7.1 °F

  • Average January

    23.2 °F

  • Highest 14 January, 2026

    46 °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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