Barnwell State Park Weather Forecast

    • 70
    • 91

    Mostly Cloudy

    • 67
    • 82

    Rain Showers

    • 72
    • 86

    Chance Rain Showers

    • 72
    • 91

    Chance Thunderstorms

    • 69
    • 87

    Thunderstorms Likely

    • 66
    • 87

    Slight Chance Thunderstorms

    • 70
    • 91

    Mostly Sunny

Today 15 Jun Barnwell

Mostly sunny. Near steady temperature in the lower 90s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Jun Barnwell

Mostly cloudy. Lows around 70. West Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Real-Time

Barnwell State Park Temperature Statistics

June Temperature

Barnwell Regional Airport (6.8 miles)

  • Lowest 4 June, 2026

    53.6 °F

  • Average June

    76.9 °F

  • Highest 12 June, 2026

    98.6 °F

Climate (2021–Present)

Barnwell Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.7 °F
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