Plum Branch Weather Forecast

    • 66
    • 91

    Decreasing Clouds

    • 62
    • 91

    Mostly Sunny

    • 63
    • 92

    Sunny

    • 68
    • 94

    Mostly Sunny

    • 70
    • 94

    Partly Sunny

    • 69
    • 93

    Chance Rain Showers

Today 15 Sep McCormick

Partly sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.

Tonight 15 Sep McCormick

Partly cloudy. Lows in the lower 70s. East Winds around 5 Mph.

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Plum Branch Temperature Statistics

September Temperature

Thomson, Thomson-McDuffie County Airport (26.1 miles)

  • Lowest 9 September, 2026

    64.4 °F

  • Average September

    81.3 °F

  • Highest 5 September, 2026

    100.4 °F

Climate (2021–2026)

Thomson, Thomson-McDuffie County Airport (26.1 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    75.8 °F
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