Thermalito Weather Forecast

    • 67
    • 96

    Sunny

    • 62
    • 96

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 60
    • 81

    Partly Sunny

Today 3 Sep Central Sacramento Valley

Sunny. Highs around 95. Southeast Winds up to 10 Mph.

Tonight 3 Sep Central Sacramento Valley

Clear. Lows 61 to 69. Southeast Winds up to 10 Mph.

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Thermalito Temperature Statistics

September Temperature

Oroville Municipal Airport (1.9 miles)

  • Lowest 1 September, 2025

    66.9 °F

  • Average September

    83.9 °F

  • Highest 1 September, 2025

    100 °F

Climate (2020–Present)

Oroville Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    77.1 °F
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