Simpsonville Weather Forecast

    • 25
    • 34

    Chance Flurries

    • 28
    • 51

    Partly Sunny

    • 22
    • 40

    Partly Sunny

    • 37
    • 45

    Mostly Cloudy

    • 46
    • 52

    Chance Rain Showers

    • 52
    • 58

    Chance Rain Showers

Today 19 Dec Shelby

Breezy. Much Colder. Mostly cloudy with a 20 percent chance of snow Showers in the Morning, then mostly sunny in the afternoon. Highs in the mid 30s. West Winds 10 to 25 Mph.

Tonight 19 Dec Shelby

Mostly clear. Lows in the mid 20s. Southwest Winds 5 to 10 Mph shifting to the south after midnight.

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Simpsonville Temperature Statistics

December Temperature

Louisville, Bowman Field Airport (16.8 miles)

  • Lowest 14 December, 2025

    5 °F

  • Average December

    30.1 °F

  • Highest 7 December, 2025

    46 °F

Climate (2020–Present)

Louisville, Bowman Field Airport (16.8 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    68.2 °F
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