Colusa Weather Forecast

    • 54
    • 82

    Sunny

    • 55
    • 86

    Sunny

    • 59
    • 89

    Mostly Sunny

    • 63
    • 93

    Partly Sunny

    • 63
    • 97

    Hot

    • 59
    • 91

    Mostly Sunny

Today 6 Sep Eastern Colusa County

Sunny. Highs around 82. Light Winds.

Tonight 6 Sep Eastern Colusa County

Clear. Lows around 55. Light Winds.

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Colusa Temperature Statistics

September Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 4 September, 2026

    57.9 °F

  • Average September

    68.2 °F

  • Highest 1 September, 2026

    79.6 °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

    77.3 °F
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