Winnsboro Weather Forecast

    • 70
    • 91

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 70
    • 93

    Chance Thunderstorms

Today 31 Aug Fairfield

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

Tonight 31 Aug Fairfield

Mostly clear. Patchy fog after midnight. Lows in the lower 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Winnsboro Temperature Statistics

August Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 25 August, 2026

    64.4 °F

  • Average August

    78.6 °F

  • Highest 14 August, 2026

    96.8 °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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