Union Weather Forecast

    • 63
    • 81

    Chance Rain Showers

    • 46
    • 72

    Rain Showers

    • 46
    • 70

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 43
    • 64

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

Today 4 Apr Union

Partly sunny with a chance of Showers and Thunderstorms. Near steady Temperatures around 80. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 4 Apr Union

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

April Temperature

Spartanburg Memorial (23 miles)

  • Lowest 1 April, 2026

    59 °F

  • Average April

    70.7 °F

  • Highest 1 April, 2026

    82.4 °F

Climate (2021–Present)

Spartanburg Memorial (23 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    71.8 °F
Get WillyWeather+ to remove ads