Fountain Inn Weather Forecast

    • 64
    • 89

    Mostly Sunny

    • 65
    • 88

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

    • 69
    • 90

    Chance Thunderstorms

    • 68
    • 87

    Rain Showers Likely

    • 69
    • 88

    Chance Rain Showers

Today 23 Aug Southern Greenville

Sunny. Highs around 90. North Winds around 5 Mph.

Tonight 23 Aug Southern Greenville

Mostly clear. Lows in the mid 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountain Inn Temperature Statistics

August Temperature

Greenville-Donaldson Center Airport (11.2 miles)

  • Lowest 6 August, 2026

    68 °F

  • Average August

    77.7 °F

  • Highest 17 August, 2026

    96.8 °F

Climate (2021–2026)

Greenville-Donaldson Center Airport (11.2 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    72.2 °F
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