Hartwell Weather Forecast

    • 27
    • 40

    Sunny

    • 32
    • 55

    Mostly Sunny

    • 37
    • 57

    Mostly Cloudy

    • 42
    • 59

    Chance Rain

    • 31
    • 57

    Mostly Sunny

    • 39
    • 56

    Partly Sunny

Today 15 Dec Hart

Sunny. Highs around 40. South Winds around 5 Mph.

Tonight 15 Dec Hart

Clear. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Hartwell Temperature Statistics

December Temperature

Anderson, Anderson County Airport (16.2 miles)

  • Lowest 12 December, 2025

    30 °F

  • Average December

    43 °F

  • Highest 13 December, 2025

    64 °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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