Thermalito Weather Forecast

    • 61
    • 88

    Sunny

    • 64
    • 92

    Partly Sunny

    • 67
    • 99

    Hot

    • 68
    • 101

    Hot

    • 64
    • 93

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 7 Sep Butte County Below 1000 ft

Sunny. Highs 84 to 89. North Winds up to 10 Mph shifting to the west in the afternoon. Gusts up to 20 Mph.

Tonight 7 Sep Butte County Below 1000 ft

Clear. Lows 55 to 63. Light Winds.

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Thermalito Temperature Statistics

September Temperature

Oroville Municipal Airport (1.9 miles)

  • Lowest 1 September, 2026

    58.6 °F

  • Average September

    68.3 °F

  • Highest 2 September, 2026

    79.6 °F

Climate (2021–2026)

Oroville Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.9 °F
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