Hartness Airport Weather Forecast

    • 65
    • 88

    Becoming Sunny

    • 69
    • 91

    Mostly Sunny

    • 70
    • 93

    Chance Thunderstorms

    • 68
    • 87

    Chance Thunderstorms

    • 69
    • 89

    Partly Sunny

    • 68
    • 88

    Chance Rain Showers

Today 16 Sep Southern Greenville

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 16 Sep Southern Greenville

Mostly clear. Patchy fog after midnight. Lows in the mid 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Hartness Airport Temperature Statistics

September Temperature

Greer, Greenville-Spartanburg Airport (3.1 miles)

  • Lowest 9 September, 2026

    63.6 °F

  • Average September

    80.6 °F

  • Highest 3 September, 2026

    97.6 °F

Climate (2021–2026)

Greer, Greenville-Spartanburg Airport (3.1 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    73.5 °F
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