Union Weather Forecast

    • 55
    • 74

    Slight Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 56
    • 78

    Slight Chance Rain Showers

    • 56
    • 72

    Mostly Cloudy

    • 56
    • 74

    Partly Sunny

    • 57
    • 75

    Partly Sunny

Today 17 Sep Floyd

Partly sunny. Near steady temperature in the lower 70s. North Winds around 5 Mph.

Tonight 17 Sep Floyd

Mostly cloudy with a slight chance of Showers this Evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the mid 50s. Northeast Winds around 5 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

September Temperature

Hillsville (20.5 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    62 °F

  • Highest 5 September, 2025

    80.6 °F

Climate (2020–Present)

Hillsville (20.5 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    62.5 °F
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