Hartness Airport Weather Forecast

    • 22
    • 44

    Becoming Sunny

    • 23
    • 41

    Partly Sunny

    • 24
    • 43

    Mostly Cloudy

    • 13
    • 29

    Chance Snow

    • 16
    • 34

    Mostly Sunny

    • 20
    • 42

    Mostly Sunny

Today 28 Jan Southern Greenville

Partly sunny this Morning, then clearing. Highs in the mid 40s. East Winds around 5 Mph, becoming west this afternoon.

Tonight 28 Jan Southern Greenville

Clear, cold with Lows in the lower 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartness Airport Temperature Statistics

January Temperature

Greer, Greenville-Spartanburg Airport (3.1 miles)

  • Lowest 16 January, 2026

    16.6 °F

  • Average January

    44.5 °F

  • Highest 7 January, 2026

    73.7 °F

Climate (2021–Present)

Greer, Greenville-Spartanburg Airport (3.1 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    73 °F
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