Duncan Weather Forecast

    • 71
    • 89

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 70
    • 92

    Slight Chance Thunderstorms

    • 72
    • 93

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

Today 17 Jun Northern Spartanburg

Patchy fog this morning. Mostly sunny this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 17 Jun Northern Spartanburg

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncan Temperature Statistics

June Temperature

Greer, Greenville-Spartanburg Airport (5.6 miles)

  • Lowest 1 June, 2025

    57.7 °F

  • Average June

    74.9 °F

  • Highest 7 June, 2025

    91.7 °F

Climate (2020–Present)

Greer, Greenville-Spartanburg Airport (5.6 miles)

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

  • Average Low 2020–2025

    51.7 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    72.8 °F
Get WillyWeather+ to remove ads