Winnsboro Weather Forecast

    • 70
    • 95

    Chance Thunderstorms

    • 69
    • 90

    Chance Thunderstorms

    • 68
    • 89

    Slight Chance Thunderstorms

    • 68
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Rain Showers Likely

    • 64
    • 79

    Slight Chance Thunderstorms

Today 18 Sep Fairfield

Mostly sunny. Highs around 80.

Tonight 18 Sep Fairfield

Mostly cloudy with a chance of Showers and Thunderstorms. Lows around 70. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnsboro Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 9 September, 2026

    64.4 °F

  • Average September

    79.6 °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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