Princeton Weather Forecast

    • 54
    • 89

    Becoming Sunny

    • 55
    • 81

    Sunny

    • 55
    • 88

    Sunny

    • 56
    • 88

    Sunny

    • 56
    • 88

    Sunny

    • 56
    • 89

    Sunny

    • 56
    • 90

    Mostly Sunny

Today 12 Sep Eastern Colusa County

Mostly sunny. Haze. Highs around 89. South Winds up to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 12 Sep Eastern Colusa County

Clear, haze. Lows around 54. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph in the evening becoming light.

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Princeton Temperature Statistics

September Temperature

Oroville Municipal Airport (21.1 miles)

  • Lowest 5 September, 2026

    53.7 °F

  • Average September

    73 °F

  • Highest 10 September, 2026

    102.9 °F

Climate (2021–2026)

Oroville Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.9 °F
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