Round Valley Reservoir Weather Forecast

    • 21
    • 45

    Mostly Sunny

    • 22
    • 37

    Mostly Sunny

    • 21
    • 45

    Mostly Sunny

    • 20
    • 34

    Mostly Sunny

    • 24
    • 40

    Mostly Sunny

    • 25
    • 42

    Mostly Sunny

    • 25
    • 41

    Mostly Sunny

Today 17 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 42 to 52. Light Winds becoming west around 10 Mph in the afternoon.

Tonight 17 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the evening then clearing. Lows 15 to 25. Northwest Winds around 10 Mph in the evening becoming light.

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Round Valley Reservoir Temperature Statistics

January Temperature

Alturas (67.1 miles)

  • Lowest 14 January, 2025

    16 °F

  • Average January

    35 °F

  • Highest 15 January, 2025

    54 °F

Climate (2020–Present)

Alturas (67.1 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.3 °F
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