Mammoth Weather Forecast

    • 29
    • 51

    Slight Chance Rain

    • 32
    • 51

    Mostly Cloudy

    • 30
    • 53

    Mostly Sunny

    • 34
    • 60

    Partly Sunny

    • 36
    • 66

    Partly Sunny

    • 35
    • 61

    Mostly Cloudy

    • 33
    • 59

    Mostly Cloudy

Today 3 Nov Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. Slight chance of rain in the afternoon. Highs in the mid 50s to lower 60s.

Tonight 3 Nov Northeast Siskiyou and Northwest Modoc Counties

Mostly cloudy then becoming mostly clear in the late evening and early morning then becoming partly cloudy. Lows around 30. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Temperature Statistics

November Temperature

Klamath Falls International Airport (34.2 miles)

  • Lowest 1 November, 2026

    26.1 °F

  • Average November

    38.7 °F

  • Highest 1 November, 2026

    52 °F

Climate (2021–2026)

Klamath Falls International Airport (34.2 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.5 °F
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