Mill Creek Weather Forecast

    • 35
    • 63

    Becoming Sunny

    • 40
    • 74

    Sunny

    • 42
    • 82

    Mostly Sunny

    • 43
    • 81

    Partly Sunny

    • 43
    • 85

    Mostly Sunny

    • 42
    • 84

    Mostly Sunny

Today 17 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly sunny. A slight chance of rain in the afternoon. Highs 57 to 67. South Winds up to 10 Mph.

Tonight 17 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Clear. Lows 39 to 49. Light Winds.

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Mill Creek Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 6 September, 2026

    52.6 °F

  • Average September

    72.6 °F

  • Highest 9 September, 2026

    103.6 °F

Climate (2021–2026)

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    77.6 °F
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