Summit Lake Weather Forecast

    • 41
    • 62

    Increasing Clouds

    • 40
    • 57

    Chance Rain Showers

    • 39
    • 53

    Chance Rain Showers

    • 39
    • 54

    Chance Thunderstorms

    • 41
    • 55

    Chance Rain Showers

    • 44
    • 62

    Mostly Sunny

Today 7 Sep Western Plumas County/Lassen Park

Mostly sunny. Highs 59 to 74 higher Elevations. 65 to 80 lower Elevations. Prevailing south Winds up to 10 Mph.

Tonight 7 Sep Western Plumas County/Lassen Park

Mostly cloudy in the evening then clearing. Lows 43 to 58. Prevailing south Winds up to 10 Mph.

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Summit Lake Temperature Statistics

September Temperature

Redding Municipal Airport (45.4 miles)

  • Lowest 1 September, 2025

    61 °F

  • Average September

    83.3 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

Redding Municipal Airport (45.4 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.2 °F
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