Mill Creek Weather Forecast

    • 36
    • 69

    Mostly Cloudy

    • 33
    • 67

    Partly Sunny

    • 36
    • 75

    Sunny

    • 40
    • 81

    Sunny

    • 41
    • 82

    Mostly Sunny

    • 40
    • 80

    Mostly Sunny

    • 40
    • 79

    Mostly Sunny

Today 26 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly cloudy. Highs 61 to 71. Light Winds becoming south around 10 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 26 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly cloudy. Lows 43 to 53. South Winds up to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Real-Time

Mill Creek Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 6 September, 2026

    52.6 °F

  • Average September

    72.8 °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

    52.6 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    77.6 °F
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