Fountain Inn Weather Forecast

    • 63
    • 82

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

    • 63
    • 87

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 65
    • 82

    Partly Sunny

Today 17 Sep Southern Greenville

Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 17 Sep Southern Greenville

Mostly clear. Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountain Inn Temperature Statistics

September Temperature

Greenville-Donaldson Center Airport (11.2 miles)

  • Lowest 9 September, 2025

    57.2 °F

  • Average September

    69.7 °F

  • Highest 5 September, 2025

    87.8 °F

Climate (2020–Present)

Greenville-Donaldson Center Airport (11.2 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    60.9 °F

  • Average High 2020–2025

    71.8 °F
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