Colusa Weather Forecast

    • 45
    • 70

    Becoming Sunny

    • 42
    • 66

    Mostly Sunny

    • 42
    • 66

    Mostly Sunny

    • 41
    • 66

    Partly Sunny

    • 40
    • 62

    Partly Sunny

    • 38
    • 60

    Partly Sunny

    • 38
    • 58

    Slight Chance Rain

Today 25 Oct Eastern Colusa County

Partly cloudy with a slight chance of rain. Lows around 39. Highs around 59.

Tonight 25 Oct Eastern Colusa County

Mostly cloudy in the evening then clearing. Lows around 45. 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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