Union Weather Forecast

    • 10
    • 17

    Slight Chance Snow Showers

    • 15
    • 27

    Mostly Cloudy

    • 4
    • 23

    Slight Chance Snow

    • 10
    • 22

    Partly Sunny

    • 3
    • 22

    Partly Sunny

    • 5
    • 20

    Mostly Cloudy

Today 30 Dec Southern Carroll

Partly sunny in the Morning, then becoming mostly cloudy. Highs around 17. West Winds 15 to 20 Mph with Gusts up to 45 Mph. Wind chill Values as low as 8 below.

Tonight 30 Dec Southern Carroll

Partly cloudy. Lows around 8 above. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Wind chill Values as low as 9 below.

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Union Temperature Statistics

December Temperature

Rochester - Skyhaven Airport (15.5 miles)

  • Lowest 5 December, 2025

    3 °F

  • Average December

    25.2 °F

  • Highest 19 December, 2025

    48 °F

Climate (2020–Present)

Rochester - Skyhaven Airport (15.5 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    60.9 °F
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