Barnwell Regional Airport Weather Forecast

    • 57
    • 81

    Rain Showers

    • 58
    • 80

    Mostly Sunny

    • 66
    • 85

    Mostly Cloudy

    • 65
    • 89

    Mostly Cloudy

    • 64
    • 91

    Partly Sunny

    • 63
    • 91

    Partly Sunny

Today 31 Mar Barnwell

Mostly cloudy. Patchy fog this morning. Showers with Thunderstorms likely this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 90 percent.

Tonight 31 Mar Barnwell

Mostly cloudy with Showers with Thunderstorms likely in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 90 percent.

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Barnwell Regional Airport Temperature Statistics

March Temperature

Barnwell Regional Airport (0 miles)

  • Lowest 3 March, 2025

    26.6 °F

  • Average March

    57.5 °F

  • Highest 8 March, 2025

    80.6 °F

Climate (2020–Present)

Barnwell Regional Airport (0 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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