Lassen Peak Weather Forecast

    • 30
    • 37

    Decreasing Clouds

    • 29
    • 34

    Partly Sunny

    • 29
    • 33

    Partly Sunny

    • 32
    • 37

    Partly Sunny

    • 34
    • 41

    Mostly Cloudy

    • 34
    • 41

    Partly Sunny

    • 34
    • 43

    Mostly Sunny

Today 5 Dec Western Plumas County/Lassen Park

Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs 46 to 61. Light Winds.

Tonight 5 Dec Western Plumas County/Lassen Park

Mostly clear. Patchy frost after midnight. Widespread fog. Locally dense late in the night. Lows 30 to 45. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lassen Peak Temperature Statistics

December Temperature

Redding Municipal Airport (41.6 miles)

  • Lowest 1 December, 2025

    32 °F

  • Average December

    47.2 °F

  • Highest 3 December, 2025

    63 °F

Climate (2020–Present)

Redding Municipal Airport (41.6 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    65.3 °F

  • Average High 2020–2025

    77.9 °F
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