Glenn Weather Forecast

    • 58
    • 86

    Increasing Clouds

    • 56
    • 87

    Mostly Sunny

    • 57
    • 86

    Sunny

    • 57
    • 88

    Mostly Sunny

    • 58
    • 90

    Mostly Sunny

    • 57
    • 87

    Partly Sunny

Today 20 Sep Eastern Glenn County

Partly cloudy in the morning then becoming mostly cloudy. Highs around 87. Light Winds.

Tonight 20 Sep Eastern Glenn County

Mostly cloudy. Lows around 58. Light Winds.

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Glenn Temperature Statistics

September Temperature

Chico Municipal Airport (20.5 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    68.8 °F

  • Highest 9 September, 2026

    102.2 °F

Climate (2021–2026)

Chico Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    74.9 °F
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