Charleston Weather Forecast

    • 77
    • 92

    Mostly Sunny

    • 79
    • 92

    Slight Chance Thunderstorms

    • 79
    • 90

    Rain Showers Likely

    • 78
    • 90

    Thunderstorms Likely

    • 78
    • 88

    Thunderstorms Likely

    • 79
    • 89

    Chance Thunderstorms

Today 30 Jul Charleston

Sunny. Highs in the lower 90s. North Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 30 Jul Charleston

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

July Temperature

Charleston Executive Airport (6.8 miles)

  • Lowest 2 July, 2026

    71.6 °F

  • Average July

    84.2 °F

  • Highest 11 July, 2026

    98.6 °F

Climate (2021–2026)

Charleston Executive Airport (6.8 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    76.2 °F
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