Union Weather Forecast

    • 35
    • 57

    Cloudy

    • 11
    • 41

    Snow/Sleet Likely

    • 11
    • 23

    Mostly Sunny

    • 23
    • 40

    Partly Sunny

    • 17
    • 43

    Partly Sunny

    • 17
    • 33

    Partly Sunny

    • 23
    • 39

    Partly Sunny

Today 27 Dec Cass

Patchy fog early. Mostly cloudy. Highs in the upper 50s. Southeast Winds around 5 Mph.

Tonight 27 Dec Cass

Cloudy. Patchy fog in the Evening, then Areas of fog after midnight. A chance of rain after midnight. Lows in the mid 30s. Southwest Winds around 5 Mph, increasing to north 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of rain 50 percent.

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Union Temperature Statistics

December Temperature

Plattsmouth, Plattsmouth Municipal Airport (9.3 miles)

  • Lowest 14 December, 2025

    2.1 °F

  • Average December

    31.1 °F

  • Highest 22 December, 2025

    59.4 °F

Climate (2020–Present)

Plattsmouth, Plattsmouth Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63.9 °F
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