Winnsboro Weather Forecast

    • 73
    • 96

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 72
    • 97

    Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

    • 66
    • 85

    Slight Chance Thunderstorms

    • 67
    • 88

    Partly Sunny

Today 3 Sep Fairfield

Sunny. Highs in the mid 90s. Light and variable Winds, becoming southeast around 5 Mph this afternoon.

Tonight 3 Sep Fairfield

Clear. Lows in the lower 70s. South Winds around 5 Mph.

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Winnsboro Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    82.1 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Winnsboro/Fairfield County Airport (4.3 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.7 °F

  • Average High 2021–2026

    73.5 °F
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