Union County Airport Weather Forecast

    • 27
    • 43

    Becoming Sunny

    • 32
    • 44

    Mostly Sunny

    • 49
    • 59

    Mostly Cloudy

    • 58
    • 69

    Chance Rain Showers

    • 52
    • 77

    Chance Rain Showers

    • 37
    • 62

    Chance Thunderstorms

Today 27 Mar Union

Partly cloudy. Much cooler with Highs in the lower 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Mar Union

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Union County Airport Temperature Statistics

March Temperature

Marysville Union County Airport (0 miles)

  • Lowest 18 March, 2026

    15.8 °F

  • Average March

    46.7 °F

  • Highest 6 March, 2026

    75.2 °F

Climate (2021–Present)

Marysville Union County Airport (0 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.4 °F
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