Johnston Weather Forecast

    • 56
    • 80

    Increasing Clouds

    • 54
    • 72

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 53
    • 73

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 60
    • 77

    Chance Rain Showers

Today 30 Oct Edgefield

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 30 Oct Edgefield

Partly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Johnston Temperature Statistics

October Temperature

Aiken Municipal Airport (14.3 miles)

  • Lowest 20 October, 2026

    41.2 °F

  • Average October

    65.3 °F

  • Highest 2 October, 2026

    90.5 °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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