Williston Weather Forecast

    • 70
    • 90

    Chance Thunderstorms

    • 68
    • 85

    Rain Showers Likely

    • 64
    • 77

    Rain Showers

    • 58
    • 74

    Chance Rain Showers

    • 50
    • 70

    Slight Chance Rain Showers

    • 51
    • 69

    Mostly Cloudy

Today 2 Oct Barnwell

Mostly sunny. Patchy fog late this morning. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Light and variable Winds, becoming south around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 2 Oct Barnwell

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the lower 70s. South Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Williston Temperature Statistics

October Temperature

Barnwell Regional Airport (9.9 miles)

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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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