Blackville Weather Forecast

    • 61
    • 82

    Slight Chance Rain

    • 62
    • 83

    Chance Thunderstorms

    • 63
    • 86

    Rain Likely

    • 41
    • 72

    Rain Likely

    • 47
    • 68

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

Today 9 Mar Barnwell

Sunny. Near steady temperature in the lower 80s. West Winds around 5 Mph.

Tonight 9 Mar Barnwell

Mostly clear in the Evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the lower 60s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackville Temperature Statistics

March Temperature

Barnwell Regional Airport (9.3 miles)

  • Lowest 1 March, 2026

    41 °F

  • Average March

    62.9 °F

  • Highest 6 March, 2026

    82.4 °F

Climate (2021–Present)

Barnwell Regional Airport (9.3 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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