Simpsonville Weather Forecast

    • 75
    • 96

    Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 75
    • 97

    Hot

    • 73
    • 94

    Slight Chance Thunderstorms

    • 73
    • 94

    Partly Sunny

    • 72
    • 95

    Slight Chance Thunderstorms

Today 14 Aug Southern Greenville

Partly sunny with scattered Showers and Thunderstorms. Hot. Near steady Temperatures in the mid 90s. West Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 104.

Tonight 14 Aug Southern Greenville

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the mid 70s. Northwest Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpsonville Temperature Statistics

August Temperature

Greenville-Donaldson Center Airport (6.8 miles)

  • Lowest 6 August, 2026

    68 °F

  • Average August

    76.2 °F

  • Highest 10 August, 2026

    91.4 °F

Climate (2021–2026)

Greenville-Donaldson Center Airport (6.8 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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