Union Weather Forecast

    • 28
    • 47

    Becoming Sunny

    • 34
    • 48

    Mostly Sunny

    • 52
    • 61

    Mostly Cloudy

    • 61
    • 72

    Slight Chance Thunderstorms

    • 54
    • 79

    Rain Showers Likely

    • 40
    • 64

    Rain Showers Likely

Today 27 Mar Montgomery

Partly cloudy and much cooler. Near steady Temperatures in the lower 40s. North Winds 10 to 15 Mph.

Tonight 27 Mar Montgomery

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

March Temperature

Dayton, Cox Dayton International Airport (4.3 miles)

  • Lowest 17 March, 2026

    18.6 °F

  • Average March

    48.4 °F

  • Highest 22 March, 2026

    86 °F

Climate (2021–Present)

Dayton, Cox Dayton International Airport (4.3 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.7 °F
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