Winnsboro Weather Forecast

    • 68
    • 90

    Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 56
    • 70

    Mostly Cloudy

    • 55
    • 77

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

Today 22 Sep Fairfield

Mostly sunny. Areas of fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Highs around 90. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 22 Sep Fairfield

Showers likely with a chance of Thunderstorms. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnsboro Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (4.3 miles)

  • Lowest 17 September, 2026

    62.6 °F

  • Average September

    79.2 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Winnsboro/Fairfield County Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    73.6 °F
Get WillyWeather+ to remove ads