Winnsboro Weather Forecast

    • 67
    • 86

    Rain Showers Likely

    • 60
    • 79

    Rain Showers

    • 60
    • 75

    Chance Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 58
    • 82

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

Today 29 May Fairfield

Partly sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 29 May Fairfield

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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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

    68.5 °F

  • Highest 20 May, 2026

    91.4 °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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