Union Weather Forecast

    • 54
    • 74

    Mostly Cloudy

    • 57
    • 77

    Partly Sunny

    • 42
    • 72

    Sunny

    • 42
    • 66

    Sunny

    • 47
    • 70

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

Today 17 Sep Southern Carroll

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs in the lower 70s. Light and variable Winds.

Tonight 17 Sep Southern Carroll

Partly cloudy. Isolated Showers after midnight. Patchy fog after midnight. Lows in the lower 50s. Light and variable Winds. Chance of rain 20 percent.

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Union Temperature Statistics

September Temperature

Rochester - Skyhaven Airport (15.5 miles)

  • Lowest 10 September, 2025

    45 °F

  • Average September

    62.6 °F

  • Highest 3 September, 2025

    82 °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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