Winnsboro Weather Forecast

    • 75
    • 96

    Slight Chance Thunderstorms

    • 75
    • 98

    Slight Chance Thunderstorms

    • 74
    • 97

    Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 75
    • 99

    Slight Chance Thunderstorms

    • 73
    • 97

    Chance Thunderstorms

Today 13 Aug Fairfield

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Aug Fairfield

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnsboro Temperature Statistics

August Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 7 August, 2026

    68 °F

  • Average August

    77.2 °F

  • Highest 9 August, 2026

    91.4 °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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