Union Weather Forecast

    • 72
    • 94

    Sunny

    • 73
    • 96

    Mostly Sunny

    • 73
    • 94

    Sunny

    • 73
    • 94

    Mostly Sunny

    • 71
    • 94

    Chance Rain Showers

    • 68
    • 88

    Chance Thunderstorms

Today 1 Sep Union

Sunny, hot with Highs in the mid 90s. Light and variable Winds. Heat index Values up to 100.

Tonight 1 Sep Union

Clear with Lows in the lower 70s. Light and variable Winds.

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Union Temperature Statistics

September Temperature

Spartanburg Memorial (23 miles)

  • Lowest

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  • Average September

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  • Highest

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Climate (2021–2026)

Spartanburg Memorial (23 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    72 °F
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