Charleston Weather Forecast

    • 42
    • 67

    Partly Sunny

    • 42
    • 57

    Partly Sunny

    • 54
    • 62

    Mostly Cloudy

    • 59
    • 74

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 58
    • 78

    Partly Sunny

Today 20 Dec Franklin

Sunny. Not as cool with Highs in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 20 Dec Franklin

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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Charleston Temperature Statistics

December Temperature

Fort Smith Regional Airport (18.6 miles)

  • Lowest 15 December, 2025

    21.9 °F

  • Average December

    42 °F

  • Highest 12 December, 2025

    69.1 °F

Climate (2020–Present)

Fort Smith Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    53.8 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75.3 °F
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