Colusa Weather Forecast

    • 61
    • 95

    Decreasing Clouds

    • 60
    • 95

    Mostly Sunny

    • 60
    • 93

    Partly Sunny

    • 60
    • 94

    Mostly Sunny

    • 59
    • 94

    Mostly Sunny

    • 59
    • 93

    Mostly Sunny

Today 23 Aug Eastern Colusa County

Partly cloudy in the morning then becoming mostly cloudy. Highs around 94. Light Winds.

Tonight 23 Aug Eastern Colusa County

Partly cloudy. Lows around 62. Light Winds.

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Colusa Temperature Statistics

August Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 16 August, 2026

    59.6 °F

  • Average August

    78.7 °F

  • Highest 19 August, 2026

    99.6 °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

    77.4 °F
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