Williston Weather Forecast

    • 59
    • 74

    Slight Chance Rain Showers

    • 53
    • 75

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 54
    • 83

    Partly Sunny

    • 57
    • 81

    Mostly Cloudy

    • 58
    • 76

    Rain Showers Likely

Today 5 Oct Barnwell

Cloudy with a 20 percent chance of Showers. Near steady temperature in the lower 70s. Northeast Winds around 5 Mph.

Tonight 5 Oct Barnwell

Mostly cloudy. Lows around 60. Northeast Winds around 5 Mph.

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Williston Temperature Statistics

October Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 1 October, 2026

    59 °F

  • Average October

    75.8 °F

  • Highest 1 October, 2026

    89.6 °F

Climate (2021–2026)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    76.9 °F
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