Hartwell Weather Forecast

    • 59
    • 83

    Sunny

    • 61
    • 85

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 63
    • 83

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

Today 13 Sep Hart

Sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 13 Sep Hart

Mostly clear. Lows around 60. Northeast Winds around 5 Mph.

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Hartwell Temperature Statistics

September Temperature

Anderson, Anderson County Airport (16.2 miles)

  • Lowest 10 September, 2025

    55 °F

  • Average September

    71.8 °F

  • Highest 5 September, 2025

    89.1 °F

Climate (2020–Present)

Anderson, Anderson County Airport (16.2 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    63.2 °F

  • Average High 2020–2025

    73.9 °F
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