Union Weather Forecast

    • 22
    • 53

    Rain

    • 27
    • 33

    Mostly Cloudy

    • 15
    • 39

    Partly Sunny

    • 16
    • 26

    Partly Sunny

    • 23
    • 32

    Chance Snow

    • 17
    • 32

    Partly Sunny

Today 19 Dec Southern Carroll

Rain. Patchy fog. Highs around 50. South Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Southern Carroll

Partly cloudy. A slight chance of rain and snow Showers in the evening. Lows around 20. West Winds 15 to 25 Mph with Gusts up to 50 Mph. Chance of precipitation 20 percent.

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Union Temperature Statistics

December Temperature

Rochester - Skyhaven Airport (15.5 miles)

  • Lowest 5 December, 2025

    3 °F
  • Average December

    23.8 °F
  • Highest 17 December, 2025

    42.1 °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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