Williston Weather Forecast

    • 61
    • 82

    Slight Chance Thunderstorms

    • 61
    • 82

    Partly Sunny

    • 61
    • 82

    Chance Rain

    • 61
    • 82

    Chance Rain

    • 62
    • 85

    Slight Chance Rain

    • 63
    • 86

    Chance Rain

    • 48
    • 77

    Chance Rain

Today 6 Mar Barnwell

Sunny. Near steady temperature in the lower 80s. South Winds around 5 Mph.

Tonight 6 Mar Barnwell

Partly cloudy this Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williston Temperature Statistics

March Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 1 March, 2026

    41 °F

  • Average March

    57.1 °F

  • Highest 4 March, 2026

    78.8 °F

Climate (2021–Present)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.6 °F
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