Winnsboro Weather Forecast

    • 65
    • 88

    Partly Sunny

    • 63
    • 89

    Mostly Sunny

    • 64
    • 91

    Sunny

    • 68
    • 93

    Mostly Sunny

    • 69
    • 91

    Partly Sunny

    • 69
    • 90

    Chance Rain Showers

Today 15 Sep Fairfield

Mostly sunny. Near steady temperature in the mid 80s. East Winds around 5 Mph.

Tonight 15 Sep Fairfield

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 60s. East Winds around 5 Mph.

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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

    79.8 °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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