Charleston Weather Forecast

    • 55
    • 74

    Rain Showers

    • 52
    • 60

    Rain

    • 49
    • 63

    Rain Showers

    • 44
    • 55

    Chance Rain

    • 42
    • 55

    Slight Chance Rain

    • 41
    • 57

    Chance Rain

Today 16 May Southern Penobscot

Areas of dense fog this morning. Mostly cloudy this Morning, then partly sunny with isolated Showers this afternoon. Visibility one quarter mile or less at Times this morning. Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 16 May Southern Penobscot

Mostly cloudy. Isolated Showers in the Evening, then scattered Showers after midnight. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Charleston Temperature Statistics

May Temperature

Bangor, Bangor International Airport (22.4 miles)

  • Lowest 1 May, 2025

    34.6 °F

  • Average May

    53.7 °F

  • Highest 3 May, 2025

    72.6 °F

Climate (2020–Present)

Bangor, Bangor International Airport (22.4 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57 °F
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