Barnwell State Park Weather Forecast

    • 56
    • 80

    Thunderstorms

    • 56
    • 78

    Mostly Sunny

    • 66
    • 84

    Mostly Cloudy

    • 65
    • 89

    Mostly Cloudy

    • 62
    • 90

    Partly Sunny

    • 62
    • 89

    Partly Sunny

    • 55
    • 87

    Chance Rain Showers

Today 31 Mar Barnwell

Thunderstorms and Showers. Some Thunderstorms may produce damaging Winds. Near steady temperature in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 31 Mar Barnwell

Mostly cloudy. Thunderstorms likely with a chance of Showers this Evening, then a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnwell State Park Temperature Statistics

March Temperature

Barnwell Regional Airport (6.8 miles)

  • Lowest 3 March, 2025

    26.6 °F

  • Average March

    57.8 °F

  • Highest 8 March, 2025

    80.6 °F

Climate (2020–Present)

Barnwell Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    76.6 °F
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