Winnsboro Weather Forecast

    • 68
    • 93

    Mostly Sunny

    • 67
    • 93

    Rain Showers Likely

    • 68
    • 85

    Rain Showers Likely

    • 68
    • 86

    Rain Showers Likely

    • 67
    • 86

    Rain Showers Likely

    • 67
    • 86

    Rain Showers Likely

Today 20 May Fairfield

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 20 May Fairfield

Mostly clear. Lows in the upper 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 15 May, 2026

    44.6 °F

  • Average May

    65.1 °F

  • Highest 17 May, 2026

    89.6 °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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