Union Weather Forecast

    • 58
    • 77

    Mostly Sunny

    • 61
    • 80

    Partly Sunny

    • 66
    • 82

    Rain Showers

    • 59
    • 77

    Chance Thunderstorms

    • 58
    • 77

    Partly Sunny

    • 60
    • 79

    Partly Sunny

Today 19 Jun Boone

Mostly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 19 Jun Boone

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northwest Winds 5 to 10 Mph, becoming west after midnight.

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Union Temperature Statistics

June Temperature

Cincinnati/Northern Kentucky International Airport (6.8 miles)

  • Lowest 16 June, 2026

    51.7 °F

  • Average June

    72.2 °F

  • Highest 7 June, 2026

    88.6 °F

Climate (2021–2026)

Cincinnati/Northern Kentucky International Airport (6.8 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56.6 °F

  • Average High 2021–2026

    66 °F
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