Afton Weather Forecast

    • 49
    • 74

    Becoming Sunny

    • 52
    • 79

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 56
    • 86

    Partly Sunny

    • 58
    • 83

    Partly Sunny

Today 4 Sep Eastern Glenn County

Partly cloudy in the morning then clearing. Highs around 74. Light Winds.

Tonight 4 Sep Eastern Glenn County

Clear. Patchy fog after midnight. Lows around 49. Light Winds.

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Afton Temperature Statistics

September Temperature

Oroville Municipal Airport (18.6 miles)

  • Lowest 1 September, 2026

    58.6 °F

  • Average September

    68.5 °F

  • Highest 2 September, 2026

    78.1 °F

Climate (2021–2026)

Oroville Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.9 °F
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