Williston Weather Forecast

    • 71
    • 94

    Becoming Sunny

    • 70
    • 95

    Mostly Sunny

    • 71
    • 96

    Mostly Sunny

    • 73
    • 97

    Hot

    • 75
    • 99

    Hot

    • 75
    • 98

    Chance Thunderstorms

Today 30 Jun Barnwell

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

Tonight 30 Jun Barnwell

Mostly clear. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Williston Temperature Statistics

June Temperature

Barnwell Regional Airport (9.9 miles)

  • Lowest 4 June, 2026

    53.6 °F

  • Average June

    78.1 °F

  • Highest 12 June, 2026

    98.6 °F

Climate (2021–2026)

Barnwell Regional Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.7 °F
Get WillyWeather+ to remove ads