Plum Branch Weather Forecast

    • 62
    • 87

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 61
    • 85

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

Today 14 Sep McCormick

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 14 Sep McCormick

Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Plum Branch Temperature Statistics

September Temperature

Thomson, Thomson-McDuffie County Airport (26.1 miles)

  • Lowest 10 September, 2025

    53.6 °F

  • Average September

    72.1 °F

  • Highest 5 September, 2025

    91.4 °F

Climate (2020–Present)

Thomson, Thomson-McDuffie County Airport (26.1 miles)

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  • Average Low 2020–2025

    53.6 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    75.3 °F
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