Blackville Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

    • 64
    • 89

    Partly Sunny

Today 15 Sep Barnwell

Sunny. Near steady temperature in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Barnwell

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Blackville Temperature Statistics

September Temperature

Barnwell Regional Airport (9.3 miles)

  • Lowest 3 September, 2025

    57.2 °F

  • Average September

    73.6 °F

  • Highest 5 September, 2025

    93.2 °F

Climate (2020–Present)

Barnwell Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    76.5 °F
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