Mammoth Weather Forecast

    • 51
    • 89

    Patchy Smoke

    • 55
    • 95

    Areas Smoke

    • 56
    • 98

    Hot

    • 57
    • 98

    Hot

    • 57
    • 97

    Hot

    • 57
    • 95

    Sunny

    • 54
    • 92

    Sunny

Today 3 Aug Northeast Siskiyou and Northwest Modoc Counties

Sunny. Patchy smoke through the day. Highs in the mid 80s to lower 90s. North Winds 5 to 10 Mph shifting to the northeast this afternoon.

Tonight 3 Aug Northeast Siskiyou and Northwest Modoc Counties

Clear. Patchy smoke well after midnight. Lows in the lower to mid 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Temperature Statistics

August Temperature

Klamath Falls International Airport (34.2 miles)

  • Lowest 1 August, 2026

    51.1 °F

  • Average August

    69.3 °F

  • Highest 1 August, 2026

    86 °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

    48.6 °F

  • Average High 2021–2026

    63.4 °F
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