Williston Weather Forecast

    • 48
    • 59

    Rain Showers

    • 23
    • 62

    Chance Rain Showers

    • 21
    • 40

    Partly Sunny

    • 20
    • 37

    Chance Snow

    • 16
    • 36

    Partly Sunny

    • 25
    • 40

    Mostly Cloudy

Today 18 Jan Barnwell

Cloudy. Showers, mainly in the morning. Highs in the upper 50s. South Winds around 5 Mph. Chance of rain 90 percent.

Tonight 18 Jan Barnwell

Showers likely. Near steady temperature in the lower 50s. South Winds around 5 Mph. Chance of rain 70 percent.

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Williston Temperature Statistics

January Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 8 January, 2025

    23 °F

  • Average January

    40 °F

  • Highest 6 January, 2025

    60.8 °F

Climate (2020–Present)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    76.5 °F
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