Summit Lake Weather Forecast

    • 45
    • 65

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 46
    • 68

    Slight Chance Thunderstorms

    • 45
    • 68

    Slight Chance Thunderstorms

    • 44
    • 65

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

Today 22 Jul Western Plumas County/Lassen Park

Sunny. Highs 60 to 75 higher Elevations. 66 to 81 lower Elevations. Prevailing south Winds up to 10 Mph.

Tonight 22 Jul Western Plumas County/Lassen Park

Mostly clear. Lows 44 to 59. Prevailing southwest Winds up to 10 Mph in the evening becoming light.

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Summit Lake Temperature Statistics

July Temperature

Redding Municipal Airport (45.4 miles)

  • Lowest 5 July, 2025

    60.7 °F

  • Average July

    85.1 °F

  • Highest 11 July, 2025

    109.7 °F

Climate (2020–Present)

Redding Municipal Airport (45.4 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    65.5 °F

  • Average High 2020–2025

    78.3 °F
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