Union County Airport Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 57
    • 77

    Mostly Cloudy

    • 58
    • 69

    Rain Showers

    • 54
    • 74

    Mostly Cloudy

    • 41
    • 65

    Chance Rain Showers

Today 8 Oct Union

Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 8 Oct Union

Clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Union County Airport Temperature Statistics

October Temperature

Marysville Union County Airport (0 miles)

  • Lowest 5 October, 2026

    41 °F

  • Average October

    60.9 °F

  • Highest 1 October, 2026

    87.8 °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

    62.6 °F
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