Union Weather Forecast

    • 73
    • 92

    Becoming Sunny

    • 74
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 73
    • 93

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

Today 7 Jul Union

Sunny with Highs in the lower 90s. Southwest Winds around 5 Mph. Heat index Values up to 100.

Tonight 7 Jul Union

Mostly clear. Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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Union Temperature Statistics

July Temperature

Spartanburg Memorial (23 miles)

  • Lowest 3 July, 2026

    71.6 °F

  • Average July

    85 °F

  • Highest 2 July, 2026

    96.8 °F

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

    71.9 °F
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