Hartness Airport Weather Forecast

    • 63
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 63
    • 86

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 64
    • 82

    Mostly Cloudy

    • 64
    • 84

    Slight Chance Rain Showers

Today 18 Sep Southern Greenville

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

Tonight 18 Sep Southern Greenville

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartness Airport Temperature Statistics

September Temperature

Greer, Greenville-Spartanburg Airport (3.1 miles)

  • Lowest 10 September, 2025

    52 °F

  • Average September

    69 °F

  • Highest 5 September, 2025

    87.1 °F

Climate (2020–Present)

Greer, Greenville-Spartanburg Airport (3.1 miles)

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  • Average Low 2020–2025

    51.7 °F

  • Average 2020–2025

    61.8 °F

  • Average High 2020–2025

    72.9 °F
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