Mammoth Weather Forecast

    • 52
    • 89

    Sunny

    • 52
    • 90

    Mostly Sunny

    • 52
    • 87

    Slight Chance Thunderstorms

    • 49
    • 86

    Partly Sunny

    • 44
    • 75

    Slight Chance Thunderstorms

    • 39
    • 70

    Sunny

Today 22 Jun Northeast Siskiyou and Northwest Modoc Counties

Sunny. Highs in the mid 80s to lower 90s. North Winds around 5 Mph.

Tonight 22 Jun Northeast Siskiyou and Northwest Modoc Counties

Clear. Lows in the lower to mid 50s. West Winds 5 to 10 Mph shifting to the southwest well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Temperature Statistics

June Temperature

Klamath Falls International Airport (34.2 miles)

  • Lowest 7 June, 2026

    28.7 °F

  • Average June

    61.1 °F

  • Highest 16 June, 2026

    91.7 °F

Climate (2021–2026)

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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