Union Weather Forecast

    • 36
    • 48

    Chance Snow

    • 37
    • 61

    Rain

    • 17
    • 45

    Slight Chance Rain

    • 17
    • 33

    Partly Sunny

    • 26
    • 43

    Partly Sunny

    • 31
    • 51

    Mostly Cloudy

    • 27
    • 46

    Chance Rain/Snow

Today 25 Mar Southern Carroll

Partly sunny. Highs in the mid 40s. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 25 Mar Southern Carroll

Mostly cloudy. A slight chance of rain and snow this Evening, then a chance of rain and snow after midnight. Lows in the mid 30s. South Winds around 10 Mph. Gusts up to 25 Mph after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

March Temperature

Rochester - Skyhaven Airport (15.5 miles)

  • Lowest 3 March, 2026

    1.9 °F
  • Average March

    36.1 °F
  • Highest 10 March, 2026

    73.9 °F

Climate (2021–Present)

Rochester - Skyhaven Airport (15.5 miles)

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  • Average Low 2021–2026

    41.3 °F
  • Average 2021–2026

    51 °F
  • Average High 2021–2026

    60.8 °F
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