Mammoth Weather Forecast

    • 45
    • 74

    Chance Rain

    • 44
    • 75

    Mostly Sunny

    • 47
    • 78

    Sunny

    • 47
    • 80

    Mostly Sunny

    • 42
    • 77

    Mostly Sunny

    • 43
    • 77

    Mostly Sunny

Today 4 May Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. Chance of Showers and slight chance of Thunderstorms in the afternoon. Highs in the lower to mid 70s. West Winds around 5 Mph shifting to the northwest 10 to 15 Mph in the afternoon. Chance of precipitation 30 percent.

Tonight 4 May Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows in the mid 40s. Northwest Winds 15 to 20 Mph becoming west 5 to 10 Mph after midnight.

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Mammoth Temperature Statistics

May Temperature

Klamath Falls International Airport (34.2 miles)

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Climate (2021–Present)

Klamath Falls International Airport (34.2 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    63.5 °F
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