Mill Creek Weather Forecast

    • 31
    • 66

    Mostly Sunny

    • 30
    • 64

    Mostly Sunny

    • 37
    • 73

    Mostly Sunny

    • 39
    • 73

    Partly Sunny

    • 41
    • 73

    Chance Rain

    • 40
    • 73

    Chance Rain

Today 5 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly sunny. Warmer. Highs 58 to 68. Light Winds becoming southwest around 10 Mph in the afternoon. Gusts up to 20 Mph.

Tonight 5 Sep Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Clear. Lows 38 to 48. Light Winds.

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Mill Creek Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 1 September, 2026

    57.7 °F

  • Average September

    65.9 °F

  • Highest 2 September, 2026

    73 °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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