Cortena Weather Forecast

    • 62
    • 93

    Increasing Clouds

    • 63
    • 93

    Partly Sunny

    • 63
    • 94

    Mostly Sunny

    • 63
    • 93

    Partly Sunny

    • 59
    • 92

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 55
    • 88

    Mostly Sunny

Today 24 Aug Central Colusa County Including Interstate 5

Mostly cloudy in the morning then clearing. Highs around 94. Light Winds becoming southeast around 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 24 Aug Central Colusa County Including Interstate 5

Mostly clear. Lows 60 to 66. South Winds up to 10 Mph with Gusts to around 20 Mph.

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Cortena Temperature Statistics

August Temperature

Marysville, Yuba County Airport (34.2 miles)

  • Lowest 16 August, 2026

    59.6 °F

  • Average August

    78.9 °F

  • Highest 19 August, 2026

    99.6 °F

Climate (2021–2026)

Marysville, Yuba County Airport (34.2 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    77.4 °F
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