Mill Creek Weather Forecast

    • 44
    • 80

    Mostly Sunny

    • 47
    • 86

    Partly Sunny

    • 43
    • 84

    Partly Sunny

    • 41
    • 78

    Mostly Sunny

    • 36
    • 68

    Mostly Sunny

    • 39
    • 69

    Mostly Sunny

Today 8 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Sunny, warmer. Highs 72 to 82. Light Winds.

Tonight 8 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly clear. Lows 49 to 59. Light Winds becoming east up to 10 Mph after midnight.

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Mill Creek Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 4 September, 2026

    54.6 °F

  • Average September

    65.9 °F

  • Highest 5 September, 2026

    81 °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

    64.9 °F

  • Average High 2021–2026

    77.6 °F
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