Union Weather Forecast

    • 10
    • 23

    Gradual Clearing

    • 20
    • 33

    Partly Sunny

    • 19
    • 33

    Freezing Rain

    • 13
    • 24

    Partly Sunny

    • 15
    • 28

    Mostly Cloudy

    • 9
    • 24

    Slight Chance Snow

Today 27 Dec Southern Carroll

Mostly cloudy with a chance of snow in the Morning, then mostly sunny in the afternoon. Highs in the mid 20s. Light and variable Winds. Chance of snow 50 percent.

Tonight 27 Dec Southern Carroll

Mostly clear. Lows around 6 above. Light and variable Winds.

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Union Temperature Statistics

December Temperature

Rochester - Skyhaven Airport (15.5 miles)

  • Lowest 5 December, 2025

    3 °F

  • Average December

    26.6 °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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