Marysville Weather Forecast

    • 34
    • 51

    Mostly Sunny

    • 56
    • 73

    Rain Showers Likely

    • 51
    • 72

    Chance Thunderstorms

    • 58
    • 79

    Partly Sunny

    • 55
    • 80

    Rain Showers Likely

    • 49
    • 71

    Chance Rain Showers

Today 20 Apr Union

Partly cloudy early this Afternoon, then clearing. Highs in the lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 20 Apr Union

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northeast Winds around 5 Mph, becoming south after midnight.

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Marysville Temperature Statistics

April Temperature

Marysville Union County Airport (0.6 miles)

  • Lowest 8 April, 2026

    26.6 °F

  • Average April

    58 °F

  • Highest 15 April, 2026

    82.4 °F

Climate (2021–Present)

Marysville Union County Airport (0.6 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.5 °F
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