Mumbo Lake Weather Forecast

    • 49
    • 69

    Slight Chance Thunderstorms

    • 51
    • 70

    Chance Thunderstorms

    • 48
    • 68

    Chance Thunderstorms

    • 48
    • 64

    Mostly Sunny

    • 51
    • 68

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

Today 23 Jul Northern Trinity

Sunny. Slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 87 to 102.

Tonight 23 Jul Northern Trinity

Mostly clear. Slight chance of Thunderstorms. Lows 51 to 61.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mumbo Lake Temperature Statistics

July Temperature

Mount Shasta (13 miles)

  • Lowest 5 July, 2025

    46.7 °F

  • Average July

    71.7 °F

  • Highest 13 July, 2025

    98.7 °F

Climate (2020–Present)

Mount Shasta (13 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    65.7 °F
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