Mammoth Weather Forecast

    • 43
    • 64

    Slight Chance Rain

    • 39
    • 70

    Mostly Sunny

    • 44
    • 76

    Sunny

    • 48
    • 82

    Sunny

    • 49
    • 85

    Sunny

    • 52
    • 86

    Sunny

Today 8 Jun Northeast Siskiyou and Northwest Modoc Counties

Mostly cloudy. A 30 percent chance of rain in the late morning and afternoon. Highs in the lower to mid 60s. Southwest Winds around 5 Mph increasing to 10 to 20 Mph in the late morning and afternoon.

Tonight 8 Jun Northeast Siskiyou and Northwest Modoc Counties

Mostly cloudy. A 10 percent chance of rain in the evening. Lows in the mid 40s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Temperature Statistics

June Temperature

Klamath Falls International Airport (34.2 miles)

  • Lowest 4 June, 2026

    36.6 °F

  • Average June

    57.8 °F

  • Highest 2 June, 2026

    80.7 °F

Climate (2021–Present)

Klamath Falls International Airport (34.2 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    63.5 °F
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