Glenn Weather Forecast

    • 55
    • 59

    Rain Showers

    • 51
    • 56

    Rain Showers

    • 50
    • 55

    Rain Showers

    • 50
    • 51

    Rain Showers

    • 45
    • 51

    Rain Showers

    • 40
    • 48

    Rain Showers

    • 36
    • 46

    Slight Chance Rain Showers

Today 21 Dec Central Sacramento Valley

Rain Showers. Breezy. Highs around 58. South Winds 15 to 25 Mph with Gusts to around 45 Mph.

Tonight 21 Dec Central Sacramento Valley

Rain Showers and a slight chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Breezy. Some Thunderstorms may produce heavy rainfall in the evening. Lows 45 to 55. South Winds 10 to 25 Mph decreasing to 10 to 15 Mph after midnight. Gusts up to 35 Mph.

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Glenn Temperature Statistics

December Temperature

Chico Municipal Airport (20.5 miles)

  • Lowest 3 December, 2025

    35.6 °F

  • Average December

    43.6 °F

  • Highest 3 December, 2025

    60.8 °F

Climate (2020–Present)

Chico Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    75 °F
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