Marysville Weather Forecast

    • 36
    • 62

    Rain Showers

    • 24
    • 49

    Rain Likely

    • 22
    • 31

    Slight Chance Snow

    • 28
    • 36

    Partly Sunny

    • 32
    • 42

    Mostly Cloudy

    • 20
    • 37

    Chance Rain/Snow

Today 9 Jan Union

Mostly cloudy. Showers in the morning. Breezy and mild with Highs in the lower 60s. Temperatures falling into the lower 50s in the afternoon. Southwest Winds 20 to 25 Mph, becoming west 15 to 20 Mph in the afternoon. Chance of rain 90 percent.

Tonight 9 Jan Union

Mostly cloudy with Showers with a slight chance of Thunderstorms. Breezy and warmer with Lows in the upper 40s. Temperatures rising into the mid 50s through Sunrise. South Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

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Marysville Temperature Statistics

January Temperature

Marysville Union County Airport (0.6 miles)

  • Lowest 1 January, 2026

    2.3 °F

  • Average January

    27.5 °F

  • Highest 6 January, 2026

    50 °F

Climate (2021–Present)

Marysville Union County Airport (0.6 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62 °F
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