Harvey Mountain Weather Forecast

    • 31
    • 51

    Becoming Sunny

    • 26
    • 49

    Sunny

    • 30
    • 50

    Partly Sunny

    • 30
    • 51

    Partly Sunny

    • 27
    • 47

    Partly Sunny

    • 26
    • 44

    Mostly Sunny

Today 18 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Highs 48 to 58. Light Winds.

Tonight 18 Jan Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 20 to 30. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harvey Mountain Temperature Statistics

January Temperature

Alturas (56.5 miles)

  • Lowest 9 January, 2026

    9 °F

  • Average January

    37.3 °F

  • Highest 14 January, 2026

    59 °F

Climate (2021–Present)

Alturas (56.5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.5 °F
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