Winnsboro Weather Forecast

    • 70
    • 88

    Rain Showers Likely

    • 70
    • 90

    Mostly Sunny

    • 70
    • 93

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

Today 12 Sep Fairfield

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 12 Sep Fairfield

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. South Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 60 percent.

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Winnsboro Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 9 September, 2026

    64.4 °F

  • Average September

    80.3 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Winnsboro/Fairfield County Airport (4.3 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    62.7 °F

  • Average High 2021–2026

    73.6 °F
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