Barnwell Regional Airport Weather Forecast

    • 24
    • 50

    Mostly Sunny

    • 37
    • 56

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 36
    • 60

    Rain Likely

    • 27
    • 46

    Rain/Freezing Rain

    • 22
    • 42

    Chance Rain/Freezing Rain

Today 20 Jan Barnwell

Sunny. Highs around 50. Northwest Winds around 5 Mph.

Tonight 20 Jan Barnwell

Mostly clear. Cold with Lows in the mid 20s. Light and variable Winds.

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Barnwell Regional Airport Temperature Statistics

January Temperature

Barnwell Regional Airport (0 miles)

  • Lowest 16 January, 2026

    17.6 °F

  • Average January

    50.2 °F

  • Highest 10 January, 2026

    80.6 °F

Climate (2021–Present)

Barnwell Regional Airport (0 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.6 °F
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