Harrington Weather Forecast

    • 55
    • 76

    Sunny

    • 59
    • 87

    Sunny

    • 59
    • 91

    Mostly Sunny

    • 58
    • 87

    Partly Sunny

    • 58
    • 92

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

Today 17 Sep Central Colusa County Including Interstate 5

Mostly cloudy in the morning then clearing. Highs around 75. North Winds up to 10 Mph.

Tonight 17 Sep Central Colusa County Including Interstate 5

Clear. Lows around 56. Light Winds.

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Harrington Temperature Statistics

September Temperature

Marysville, Yuba County Airport (25.5 miles)

  • Lowest 5 September, 2026

    50.6 °F

  • Average September

    73.3 °F

  • Highest 10 September, 2026

    104.6 °F

Climate (2021–2026)

Marysville, Yuba County Airport (25.5 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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