Williston Weather Forecast

    • 46
    • 73

    Becoming Sunny

    • 44
    • 65

    Partly Sunny

    • 48
    • 72

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

Today 7 Apr Barnwell

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 7 Apr Barnwell

Mostly clear. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Williston Temperature Statistics

April Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 2 April, 2026

    55.4 °F

  • Average April

    70.6 °F

  • Highest 1 April, 2026

    86 °F

Climate (2021–Present)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.7 °F
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