Colusa Weather Forecast

    • 51
    • 71

    Increasing Clouds

    • 51
    • 72

    Chance Rain

    • 47
    • 69

    Chance Rain

    • 44
    • 73

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 44
    • 74

    Mostly Sunny

    • 43
    • 73

    Partly Sunny

Today 20 Oct Eastern Colusa County

Partly cloudy in the morning then becoming mostly cloudy. Highs around 71. Light Winds.

Tonight 20 Oct Eastern Colusa County

Mostly cloudy. A slight chance of rain after midnight. Lows around 53. Light Winds.

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Colusa Temperature Statistics

October Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 11 October, 2026

    45.6 °F

  • Average October

    66.9 °F

  • Highest 9 October, 2026

    97.6 °F

Climate (2021–2026)

Marysville, Yuba County Airport (24.9 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    77.2 °F
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