Union Weather Forecast

    • 67
    • 82

    Chance Thunderstorms

    • 70
    • 89

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

Today 14 Jul Union

Mostly cloudy with a chance of Showers. A chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 14 Jul Union

Cloudy with a 50 percent chance of Showers. Near steady Temperatures in the upper 60s. Northeast Winds around 5 Mph.

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Union Temperature Statistics

July Temperature

Spartanburg Memorial (23 miles)

  • Lowest 6 July, 2026

    69.8 °F

  • Average July

    81.6 °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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