Winnsboro Weather Forecast

    • 64
    • 89

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 65
    • 86

    Slight Chance Thunderstorms

Today 19 Sep Fairfield

Sunny in the morning. Patchy fog in the morning. Highs in the upper 80s. Light and variable Winds.

Tonight 19 Sep Fairfield

Mostly clear. Lows in the mid 60s. Light and variable Winds.

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Winnsboro Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 10 September, 2025

    53.6 °F

  • Average September

    70.7 °F

  • Highest 5 September, 2025

    89.6 °F

Climate (2020–Present)

Winnsboro/Fairfield County Airport (4.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    73.3 °F
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