Charleston Weather Forecast

    • 58
    • 77

    Rain Showers

    • 57
    • 77

    Slight Chance Rain Showers

    • 43
    • 83

    Rain Showers

    • 35
    • 54

    Slight Chance Rain Showers

    • 38
    • 57

    Mostly Sunny

    • 51
    • 69

    Mostly Sunny

Today 15 Apr Lee

Showers and Thunderstorms likely. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming south with Gusts up to 25 Mph this afternoon. Chance of rain 70 percent.

Tonight 15 Apr Lee

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

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Charleston Temperature Statistics

April Temperature

Keokuk Municipal Airport (9.9 miles)

  • Lowest 5 April, 2026

    33.8 °F

  • Average April

    53 °F

  • Highest 12 April, 2026

    77 °F

Climate (2021–Present)

Keokuk Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.3 °F
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