Union County Airport Weather Forecast

    • 74
    • 90

    Partly Sunny

    • 73
    • 93

    Mostly Sunny

    • 73
    • 95

    Sunny

    • 75
    • 95

    Mostly Sunny

    • 74
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

Today 29 Jun Union

Mostly sunny late this Morning, then becoming partly cloudy. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 29 Jun Union

Partly cloudy. Muggy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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Union County Airport Temperature Statistics

June Temperature

Marysville Union County Airport (0 miles)

  • Lowest 3 June, 2026

    48.2 °F

  • Average June

    70.4 °F

  • Highest 10 June, 2026

    91.4 °F

Climate (2021–2026)

Marysville Union County Airport (0 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.5 °F
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