Winnsboro Weather Forecast

    • 66
    • 90

    Decreasing Clouds

    • 64
    • 91

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

    • 69
    • 92

    Slight Chance Thunderstorms

    • 65
    • 90

    Rain Showers

    • 63
    • 80

    Rain Showers

Today 17 May Fairfield

Mostly cloudy in the Morning, then clearing. Highs around 90. South Winds around 5 Mph.

Tonight 17 May Fairfield

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnsboro Temperature Statistics

May Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    64.1 °F

  • Highest 6 May, 2026

    84.2 °F

Climate (2021–Present)

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

    73.5 °F
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