Thermalito Weather Forecast

    • 41
    • 50

    Increasing Clouds

    • 42
    • 58

    Partly Sunny

    • 40
    • 61

    Partly Sunny

    • 42
    • 57

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 43
    • 57

    Partly Sunny

Today 1 Dec Central Sacramento Valley

Mostly cloudy in the morning then clearing. Patchy dense fog early in the morning. Areas of dense fog. Locally dense late in the morning. Highs around 51. Light Winds.

Tonight 1 Dec Central Sacramento Valley

Mostly clear in the evening then becoming mostly cloudy. Lows 38 to 43. Light Winds.

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Thermalito Temperature Statistics

December Temperature

Oroville Municipal Airport (1.9 miles)

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  • Average December

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Climate (2020–Present)

Oroville Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    76.9 °F
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