Colusa Weather Forecast

    • 38
    • 53

    Decreasing Clouds

    • 37
    • 50

    Mostly Sunny

    • 35
    • 49

    Partly Sunny

    • 37
    • 50

    Mostly Cloudy

    • 38
    • 52

    Mostly Cloudy

    • 40
    • 54

    Partly Sunny

    • 42
    • 57

    Patchy Fog

Today 7 Jan Central Sacramento Valley

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog until late afternoon. Highs around 54. Light Winds becoming south up to 10 Mph in the afternoon.

Tonight 7 Jan Central Sacramento Valley

Mostly cloudy in the evening then clearing. A slight chance of rain early in the evening. A chance of rain Showers and a slight chance of Thunderstorms late in the Evening, then a slight chance of rain after midnight. Patchy fog through the night. Lows around 37. Southwest Winds up to 10 Mph in the evening becoming light.

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Colusa Temperature Statistics

January Temperature

Marysville, Yuba County Airport (24.9 miles)

  • Lowest 1 January, 2026

    46.9 °F

  • Average January

    54.1 °F

  • Highest 2 January, 2026

    62.1 °F

Climate (2021–Present)

Marysville, Yuba County Airport (24.9 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    77.8 °F
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