Union Weather Forecast

    • 34
    • 62

    Sunny

    • 48
    • 66

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 61
    • 80

    Partly Sunny

    • 60
    • 81

    Chance Thunderstorms

    • 57
    • 78

    Rain Likely

    • 58
    • 70

    Chance Rain

Today 28 Mar Union

Sunny and much cooler. Near steady Temperatures in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 28 Mar Union

Clear. Lows in the mid 30s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

March Temperature

Spartanburg Memorial (23 miles)

  • Lowest 19 March, 2026

    30.2 °F

  • Average March

    59.3 °F

  • Highest 22 March, 2026

    86 °F

Climate (2021–Present)

Spartanburg Memorial (23 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    71.8 °F
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