Union Weather Forecast

    • 33
    • 55

    Increasing Clouds

    • 44
    • 56

    Rain Likely

    • 19
    • 55

    Rain Likely

    • 33
    • 41

    Partly Sunny

    • 31
    • 58

    Partly Sunny

    • 30
    • 48

    Mostly Cloudy

Today 16 Dec Franklin

Sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 16 Dec Franklin

Mostly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

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Union Temperature Statistics

December Temperature

Washington Regional Airport (9.3 miles)

  • Lowest 14 December, 2025

    8.6 °F

  • Average December

    31 °F

  • Highest 9 December, 2025

    59 °F

Climate (2020–Present)

Washington Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.9 °F
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