Hayden Hill-Silva Flat State Game Refuge Weather Forecast

    • 37
    • 55

    Partly Cloudy

    • 40
    • 64

    Becoming Sunny

    • 43
    • 67

    Sunny

    • 31
    • 58

    Mostly Sunny

    • 37
    • 56

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

    • 39
    • 61

    Mostly Sunny

Today 16 Oct Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 54 to 64. Light Winds becoming northeast around 10 Mph in the afternoon.

Tonight 16 Oct Lassen-Eastern Plumas-Eastern Sierra Counties

Clear in the evening then becoming partly cloudy. Lows 27 to 37. Light Winds.

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Hayden Hill-Silva Flat State Game Refuge Temperature Statistics

October Temperature

Alturas (38.5 miles)

  • Lowest 11 October, 2025

    30.9 °F

  • Average October

    49.9 °F

  • Highest 7 October, 2025

    73 °F

Climate (2020–Present)

Alturas (38.5 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    64.3 °F
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