Charleston Weather Forecast

    • 72
    • 86

    Decreasing Clouds

    • 75
    • 93

    Slight Chance Rain Showers

    • 76
    • 96

    Partly Sunny

    • 76
    • 97

    Hot

    • 75
    • 95

    Mostly Sunny

    • 74
    • 94

    Partly Sunny

Today 29 Aug Lee

Mostly cloudy. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 29 Aug Lee

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 70s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Charleston Temperature Statistics

August Temperature

Keokuk Municipal Airport (9.9 miles)

  • Lowest 3 August, 2026

    62.6 °F

  • Average August

    75.9 °F

  • Highest 11 August, 2026

    91.4 °F

Climate (2021–2026)

Keokuk Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.5 °F
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