Mammoth Weather Forecast

    • 54
    • 88

    Becoming Sunny

    • 54
    • 90

    Sunny

    • 51
    • 88

    Sunny

    • 53
    • 90

    Sunny

    • 52
    • 90

    Mostly Sunny

    • 52
    • 90

    Partly Sunny

Today 6 Jul Northeast Siskiyou and Northwest Modoc Counties

Sunny this morning then becoming partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 6 Jul Northeast Siskiyou and Northwest Modoc Counties

Mostly clear. Lows in the lower to mid 50s. Southwest Winds 5 to 10 Mph shifting to the south well after midnight.

Graph Plots Open in Graphs

  • 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

    61.9 °F

  • Highest 4 July, 2026

    88 °F

Climate (2021–2026)

Klamath Falls International Airport (34.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads