Johnston Weather Forecast

    • 72
    • 94

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

    • 63
    • 89

    Mostly Sunny

    • 65
    • 90

    Sunny

    • 67
    • 92

    Mostly Sunny

    • 69
    • 93

    Partly Sunny

Today 14 Sep Edgefield

Sunny. Near steady temperature in the mid 90s. Northeast Winds around 5 Mph.

Tonight 14 Sep Edgefield

Mostly clear. Lows in the lower 70s. East Winds 5 to 10 Mph.

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Johnston Temperature Statistics

September Temperature

Aiken Municipal Airport (14.3 miles)

  • Lowest 8 September, 2026

    66.2 °F

  • Average September

    80.9 °F

  • Highest 5 September, 2026

    98.8 °F

Climate (2021–2026)

Aiken Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    75.6 °F
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