Jonesville Weather Forecast

    • 62
    • 83

    Mostly Cloudy

    • 60
    • 82

    Partly Sunny

    • 60
    • 75

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

    • 62
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 63
    • 85

    Slight Chance Rain Showers

Today 14 Sep Union

Mostly sunny. Near steady Temperatures in the mid 80s. Northeast Winds around 5 Mph.

Tonight 14 Sep Union

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph this Evening, becoming light and variable.

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Jonesville Temperature Statistics

September Temperature

Spartanburg Memorial (16.2 miles)

  • Lowest 9 September, 2025

    53.6 °F

  • Average September

    69 °F

  • Highest 5 September, 2025

    87.8 °F

Climate (2020–Present)

Spartanburg Memorial (16.2 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    71.6 °F
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