Mammoth Weather Forecast

    • 51
    • 87

    Slight Chance Thunderstorms

    • 50
    • 87

    Chance Rain

    • 47
    • 76

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 52
    • 88

    Mostly Sunny

    • 55
    • 92

    Sunny

    • 56
    • 94

    Sunny

Today 2 Jul Northeast Siskiyou and Northwest Modoc Counties

Sunny early this afternoon then becoming partly cloudy. Isolated Thunderstorms. Highs in the mid 80s. West Winds 10 to 15 Mph. Chance of Thunderstorms 20 percent.

Tonight 2 Jul Northeast Siskiyou and Northwest Modoc Counties

Mostly clear. Isolated Thunderstorms early this Evening, then isolated Showers late this evening. Lows in the lower to mid 50s. Northwest Winds 10 to 15 Mph shifting to the west around 5 Mph well after midnight. Chance of precipitation 10 percent.

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Mammoth Temperature Statistics

July Temperature

Klamath Falls International Airport (34.2 miles)

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  • Average July

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Climate (2020–Present)

Klamath Falls International Airport (34.2 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    63.2 °F
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