Mammoth Weather Forecast

    • 52
    • 88

    Sunny

    • 52
    • 88

    Patchy Smoke

    • 53
    • 91

    Sunny

    • 53
    • 93

    Sunny

    • 55
    • 96

    Sunny

    • 53
    • 94

    Mostly Sunny

    • 52
    • 91

    Sunny

Today 27 Jul Northeast Siskiyou and Northwest Modoc Counties

Sunny. Highs in the mid 80s. Southeast Winds around 5 Mph shifting to the west 10 to 15 Mph this afternoon.

Tonight 27 Jul Northeast Siskiyou and Northwest Modoc Counties

Clear. Lows in the lower to mid 50s. West Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Temperature Statistics

July Temperature

Klamath Falls International Airport (34.2 miles)

  • Lowest 1 July, 2026

    32.6 °F

  • Average July

    67.8 °F

  • Highest 24 July, 2026

    92.6 °F

Climate (2021–2026)

Klamath Falls International Airport (34.2 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.4 °F
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