Williston Weather Forecast

    • 75
    • 94

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 73
    • 96

    Chance Thunderstorms

    • 71
    • 93

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 74
    • 94

    Mostly Sunny

Today 27 Jun Barnwell

Sunny. Highs in the mid 90s. Southwest Winds around 5 Mph.

Tonight 27 Jun Barnwell

Mostly clear. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Williston Temperature Statistics

June Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 4 June, 2026

    53.6 °F

  • Average June

    77.9 °F

  • Highest 12 June, 2026

    98.6 °F

Climate (2021–2026)

Barnwell Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.7 °F
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