Johnston Weather Forecast

    • 67
    • 90

    Mostly Cloudy

    • 66
    • 82

    Rain Showers

    • 72
    • 87

    Chance Rain Showers

    • 72
    • 90

    Thunderstorms Likely

    • 68
    • 85

    Rain Showers

    • 66
    • 86

    Mostly Sunny

    • 69
    • 90

    Partly Sunny

Today 15 Jun Edgefield

Mostly sunny. Near steady temperature around 90. West Winds 5 to 10 Mph.

Tonight 15 Jun Edgefield

Mostly cloudy. Lows in the upper 60s. West Winds around 5 Mph.

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Johnston Temperature Statistics

June Temperature

Aiken Municipal Airport (14.3 miles)

  • Lowest 4 June, 2026

    52.7 °F

  • Average June

    76.3 °F

  • Highest 13 June, 2026

    97.2 °F

Climate (2021–Present)

Aiken Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75.4 °F
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