Williston Weather Forecast

    • 31
    • 52

    Decreasing Clouds

    • 40
    • 57

    Rain

    • 39
    • 48

    Rain

    • 40
    • 51

    Rain Likely

    • 37
    • 54

    Slight Chance Rain

    • 29
    • 52

    Partly Sunny

Today 3 Dec Barnwell

Cloudy this Morning, then becoming mostly sunny. Highs in the lower 50s. Northeast Winds around 5 Mph.

Tonight 3 Dec Barnwell

Mostly clear. Lows in the lower 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williston Temperature Statistics

December Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 1 December, 2025

    48.2 °F

  • Average December

    49.9 °F

  • Highest 1 December, 2025

    51.8 °F

Climate (2020–Present)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    54.4 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    76.5 °F
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