Charleston Weather Forecast

    • 76
    • 95

    Increasing Clouds

    • 73
    • 88

    Chance Thunderstorms

    • 77
    • 87

    Chance Thunderstorms

    • 78
    • 92

    Slight Chance Thunderstorms

    • 76
    • 91

    Thunderstorms Likely

    • 73
    • 88

    Chance Thunderstorms

Today 15 Jun Charleston

Mostly sunny. Highs in the mid 90s. Heat index Values up to 106. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Jun Charleston

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

June Temperature

Charleston Executive Airport (6.8 miles)

  • Lowest 4 June, 2026

    59 °F

  • Average June

    77.6 °F

  • Highest 12 June, 2026

    95 °F

Climate (2021–Present)

Charleston Executive Airport (6.8 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    76.1 °F
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