Summit Lake Weather Forecast

    • 21
    • 36

    Decreasing Clouds

    • 23
    • 40

    Mostly Sunny

    • 25
    • 44

    Mostly Sunny

    • 31
    • 51

    Mostly Sunny

    • 35
    • 57

    Partly Sunny

    • 34
    • 55

    Partly Sunny

Today 2 Apr Humboldt County

Mostly sunny. Isolated snow Showers in the Morning, then scattered snow Showers in the afternoon. Highs 38 to 46. Northwest Winds 5 to 15 Mph. Chance of snow 50 percent.

Tonight 2 Apr Humboldt County

Partly cloudy. Lows in the mid 20s. North Winds up to 10 Mph.

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Summit Lake Temperature Statistics

April Temperature

Alturas (77.1 miles)

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  • Average April

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Climate (2020–Present)

Alturas (77.1 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.3 °F
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