Fountain Inn Weather Forecast

    • 31
    • 56

    Sunny

    • 36
    • 55

    Sunny

    • 34
    • 62

    Mostly Sunny

    • 32
    • 51

    Partly Sunny

    • 43
    • 55

    Partly Sunny

    • 47
    • 67

    Partly Sunny

Today 19 Dec Southern Greenville

Sunny, breezy with Highs in the mid 50s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Dec Southern Greenville

Rain with a slight chance of Thunderstorms. Areas of fog. Breezy with Lows in the mid 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountain Inn Temperature Statistics

December Temperature

Greenville-Donaldson Center Airport (11.2 miles)

  • Lowest 15 December, 2025

    17.6 °F

  • Average December

    39.5 °F

  • Highest 13 December, 2025

    62.6 °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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