Union Weather Forecast

    • 71
    • 90

    Thunderstorms

    • 62
    • 78

    Rain Showers

    • 57
    • 79

    Partly Sunny

    • 57
    • 79

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 64
    • 84

    Slight Chance Thunderstorms

Today 30 Jul Franklin

Partly sunny. Isolated Showers and Thunderstorms Early, then scattered Showers and Thunderstorms. Highs around 90. West Winds around 5 Mph with Gusts up to 20 Mph, becoming north. Chance of rain 50 percent. Heat index Values up to 104.

Tonight 30 Jul Franklin

Mostly cloudy. Numerous Showers and Thunderstorms, mainly in the evening. Humid with Lows in the lower 70s. North Winds around 5 Mph. Chance of rain 60 percent.

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Union Temperature Statistics

July Temperature

Washington Regional Airport (9.3 miles)

  • Lowest 2 July, 2025

    64.4 °F

  • Average July

    80.3 °F

  • Highest 20 July, 2025

    95 °F

Climate (2020–Present)

Washington Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.6 °F
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