Union Weather Forecast

    • 68
    • 85

    Severe Tstms

    • 62
    • 79

    Thunderstorms Likely

    • 65
    • 83

    Partly Sunny

    • 71
    • 88

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

Today 18 Jun Boone

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 18 Jun Boone

Showers and Thunderstorms this Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds this evening. Lows in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Union Temperature Statistics

June Temperature

Cincinnati/Northern Kentucky International Airport (6.8 miles)

  • Lowest 1 June, 2025

    43.6 °F

  • Average June

    71.1 °F

  • Highest 3 June, 2025

    86.6 °F

Climate (2020–Present)

Cincinnati/Northern Kentucky International Airport (6.8 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    65.7 °F
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