Colusa Weather Forecast

    • 58
    • 91

    Sunny

    • 60
    • 94

    Sunny

    • 61
    • 95

    Mostly Sunny

    • 62
    • 89

    Partly Sunny

    • 61
    • 87

    Partly Sunny

    • 60
    • 86

    Partly Sunny

Today 15 Sep Central Sacramento Valley

Sunny. Highs around 91. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 15 Sep Central Sacramento Valley

Clear. Lows 57 to 67. Light Winds.

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Colusa Temperature Statistics

September Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 5 September, 2025

    57.9 °F

  • Average September

    74.2 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

Marysville, Yuba County Airport (24.9 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    78.2 °F
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