Summit Lake Weather Forecast

    • 36
    • 60

    Mostly Sunny

    • 43
    • 65

    Mostly Sunny

    • 43
    • 70

    Chance Rain Showers

    • 31
    • 55

    Rain Showers Likely

    • 34
    • 50

    Breezy

    • 40
    • 58

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

Today 30 Apr Humboldt County

Mostly sunny. Highs 58 to 68. North Winds up to 10 Mph.

Tonight 30 Apr Humboldt County

Mostly clear. Lows 35 to 41. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

April Temperature

Alturas (77.1 miles)

  • Lowest 5 April, 2025

    19.9 °F

  • Average April

    46.1 °F

  • Highest 15 April, 2025

    76.6 °F

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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