Williston Weather Forecast

    • 35
    • 58

    Rain/Snow Likely

    • 25
    • 42

    Rain/Snow Likely

    • 24
    • 49

    Mostly Sunny

    • 20
    • 47

    Mostly Sunny

    • 34
    • 53

    Mostly Cloudy

    • 38
    • 60

    Mostly Cloudy

Today 17 Jan Barnwell

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jan Barnwell

Mostly cloudy. A chance of rain in the Evening, then rain likely after midnight. Lows in the mid 30s. Northwest Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williston Temperature Statistics

January Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 13 January, 2026

    24.8 °F

  • Average January

    52.9 °F

  • Highest 10 January, 2026

    80.6 °F

Climate (2021–Present)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.6 °F
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