Hartwell Weather Forecast

    • 74
    • 93

    Slight Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

    • 73
    • 95

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

Today 17 Jul Hart

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 102.

Tonight 17 Jul Hart

Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph.

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Hartwell Temperature Statistics

July Temperature

Anderson, Anderson County Airport (16.2 miles)

  • Lowest 6 July, 2025

    69.7 °F

  • Average July

    83.3 °F

  • Highest 8 July, 2025

    98.7 °F

Climate (2020–Present)

Anderson, Anderson County Airport (16.2 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    63.2 °F

  • Average High 2020–2025

    73.9 °F
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