Charleston Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 70
    • 87

    Decreasing Clouds

    • 75
    • 92

    Mostly Sunny

    • 72
    • 93

    Chance Thunderstorms

    • 71
    • 92

    Mostly Sunny

    • 73
    • 95

    Sunny

    • 74
    • 95

    Mostly Sunny

Today 15 Jun Franklin

Mostly cloudy with a chance of Thunderstorms. A chance of Showers Early, then Showers likely. Highs in the lower 80s. South Winds around 5 Mph, becoming west. Chance of rain 70 percent.

Tonight 15 Jun Franklin

Mostly cloudy. Showers with Thunderstorms likely this Afternoon, then a chance of Showers and Thunderstorms this evening. A slight chance of Showers after midnight. Lows in the upper 60s. Northeast Winds around 5 Mph, becoming northwest after midnight. Chance of rain 90 percent.

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Charleston Temperature Statistics

June Temperature

Fort Smith Regional Airport (18.6 miles)

  • Lowest 1 June, 2025

    65.6 °F

  • Average June

    78.6 °F

  • Highest 8 June, 2025

    96.7 °F

Climate (2020–Present)

Fort Smith Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    63.7 °F

  • Average High 2020–2025

    74.9 °F
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