Barnwell Regional Airport Weather Forecast

    • 43
    • 56

    Rain

    • 42
    • 50

    Rain

    • 43
    • 51

    Rain Likely

    • 42
    • 54

    Chance Rain

    • 29
    • 52

    Partly Sunny

    • 31
    • 49

    Mostly Sunny

Today 4 Dec Barnwell

Mostly sunny in the Morning, then mostly cloudy with a slight chance of rain in the afternoon. Highs in the mid 50s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 4 Dec Barnwell

Cloudy. A chance of rain in the Evening, then rain likely after midnight. Lows in the lower 40s. Light and variable Winds, becoming east around 5 Mph after midnight. Chance of rain 70 percent.

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Barnwell Regional Airport Temperature Statistics

December Temperature

Barnwell Regional Airport (0 miles)

  • Lowest 1 December, 2025

    48.2 °F

  • Average December

    49.9 °F

  • Highest 1 December, 2025

    51.8 °F

Climate (2020–Present)

Barnwell Regional Airport (0 miles)

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  • Average Low 2020–2025

    54.4 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    76.5 °F
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