Marysville Weather Forecast

    • 45
    • 66

    Sunny

    • 52
    • 75

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 53
    • 73

    Chance Rain Showers

Today 6 Oct Union

Sunny. Highs in the mid 60s. Light and variable Winds, becoming south around 5 Mph this late morning and afternoon.

Tonight 6 Oct Union

Clear. Lows in the mid 40s. South Winds around 5 Mph.

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Marysville Temperature Statistics

October Temperature

Marysville Union County Airport (0.6 miles)

  • Lowest 3 October, 2026

    44.6 °F

  • Average October

    64.2 °F

  • Highest 1 October, 2026

    87.8 °F

Climate (2021–2026)

Marysville Union County Airport (0.6 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.6 °F
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