Winnsboro Weather Forecast

    • 68
    • 84

    Thunderstorms Likely

    • 68
    • 85

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

    • 62
    • 82

    Rain Showers Likely

    • 58
    • 75

    Rain Showers Likely

    • 55
    • 73

    Chance Thunderstorms

Today 26 May Fairfield

Patchy fog in the morning. Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. South Winds around 5 Mph. Chance of rain 50 percent.

Tonight 26 May Fairfield

Mostly cloudy with a 50 percent chance of Showers. Patchy fog. Near steady temperature around 70. 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

    67.9 °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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