Johns Island Weather Forecast

    • 58
    • 70

    Increasing Clouds

    • 59
    • 70

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 53
    • 63

    Chance Rain Showers

    • 51
    • 67

    Chance Rain Showers

    • 48
    • 63

    Partly Sunny

    • 48
    • 64

    Mostly Sunny

Today 25 Oct Charleston

Sunny. Highs around 70. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Oct Charleston

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johns Island Temperature Statistics

October Temperature

Charleston Executive Airport (1.2 miles)

  • Lowest 23 October, 2025

    48.2 °F

  • Average October

    68.9 °F

  • Highest 6 October, 2025

    84.2 °F

Climate (2020–Present)

Charleston Executive Airport (1.2 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    76.1 °F
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