Mill Creek Weather Forecast

    • 34
    • 55

    Mostly Sunny

    • 34
    • 57

    Partly Sunny

    • 34
    • 53

    Partly Sunny

    • 34
    • 55

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 38
    • 60

    Partly Sunny

Today 4 Dec Western Plumas County/Lassen Park

Mostly sunny. Not as cool. Highs 43 to 58. Prevailing northeast Winds up to 10 Mph.

Tonight 4 Dec Western Plumas County/Lassen Park

Mostly clear. Lows 31 to 46. Prevailing northeast Winds up to 10 Mph.

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Mill Creek Temperature Statistics

December Temperature

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    42.9 °F

  • Highest 1 December, 2025

    53.1 °F

Climate (2020–Present)

Red Bluff, Red Bluff Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    77.8 °F
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