Hartwell Weather Forecast

    • 33
    • 48

    Partly Sunny

    • 32
    • 53

    Partly Sunny

    • 27
    • 42

    Mostly Sunny

    • 22
    • 49

    Mostly Sunny

    • 22
    • 44

    Mostly Sunny

    • 31
    • 50

    Mostly Sunny

Today 16 Jan Hart

Sunny. Highs in the upper 40s. Southwest Winds around 10 Mph.

Tonight 16 Jan Hart

Mostly clear in the Evening, then mostly cloudy with a chance of rain after midnight. Lows in the lower 30s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Hartwell Temperature Statistics

January Temperature

Anderson, Anderson County Airport (16.2 miles)

  • Lowest 12 January, 2026

    24.1 °F

  • Average January

    50.7 °F

  • Highest 7 January, 2026

    71.1 °F

Climate (2021–Present)

Anderson, Anderson County Airport (16.2 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    74.1 °F
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