Afton Weather Forecast

    • 57
    • 92

    Increasing Clouds

    • 57
    • 87

    Mostly Cloudy

    • 56
    • 88

    Mostly Sunny

    • 56
    • 88

    Sunny

    • 57
    • 90

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

Today 19 Sep Eastern Glenn County

Sunny. Highs around 92. Light Winds.

Tonight 19 Sep Eastern Glenn County

Mostly clear. Lows around 58. Light Winds.

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Afton Temperature Statistics

September Temperature

Oroville Municipal Airport (18.6 miles)

  • Lowest 14 September, 2026

    51.7 °F

  • Average September

    72.7 °F

  • Highest 10 September, 2026

    105.7 °F

Climate (2021–2026)

Oroville Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.8 °F
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