Hartness Airport Weather Forecast

    • 67
    • 83

    Rain Showers

    • 66
    • 81

    Chance Thunderstorms

    • 65
    • 85

    Rain Showers Likely

    • 64
    • 79

    Rain Showers Likely

    • 61
    • 77

    Rain Showers Likely

    • 58
    • 75

    Chance Rain Showers

    • 57
    • 77

    Chance Thunderstorms

Today 26 May Southern Greenville

Widespread Showers and numerous Thunderstorms. Near steady Temperatures in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 26 May Southern Greenville

Showers with Thunderstorms likely this Evening, then a chance of Showers after midnight. Patchy fog. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartness Airport Temperature Statistics

May Temperature

Greer, Greenville-Spartanburg Airport (3.1 miles)

  • Lowest 15 May, 2026

    41.6 °F

  • Average May

    66.1 °F

  • Highest 20 May, 2026

    90.6 °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

    62 °F

  • Average High 2021–2026

    73.2 °F
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