Colusa Weather Forecast

    • 62
    • 95

    Mostly Sunny

    • 61
    • 96

    Mostly Sunny

    • 62
    • 94

    Partly Sunny

    • 58
    • 93

    Mostly Sunny

    • 58
    • 89

    Sunny

    • 58
    • 90

    Sunny

Today 18 Aug Eastern Colusa County

Mostly sunny. Highs around 94. Light Winds.

Tonight 18 Aug Eastern Colusa County

Mostly clear in the evening then becoming mostly cloudy. Lows around 63. Light Winds.

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Colusa Temperature Statistics

August Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 16 August, 2026

    73.9 °F

  • Average August

    85.9 °F

  • Highest 16 August, 2026

    93 °F

Climate (2021–2026)

Marysville, Yuba County Airport (24.9 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    77.3 °F
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