Alturas Lake Weather Forecast

    • 31
    • 59

    Becoming Sunny

    • 32
    • 59

    Chance Rain Showers

    • 36
    • 64

    Partly Sunny

    • 40
    • 69

    Partly Sunny

    • 37
    • 67

    Mostly Sunny

    • 41
    • 71

    Mostly Sunny

Today 31 May Sawtooth/Stanley Basin

Partly sunny. Highs 56 to 66.

Tonight 31 May Sawtooth/Stanley Basin

Mostly clear. Lows 29 to 39.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alturas Lake Temperature Statistics

May Temperature

Stanley, Stanley Ranger Station (20.5 miles)

  • Lowest 17 May, 2026

    14.6 °F

  • Average May

    45.5 °F

  • Highest 12 May, 2026

    79.6 °F

Climate (2021–Present)

Stanley, Stanley Ranger Station (20.5 miles)

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

  • Average Low 2021–2026

    23.3 °F

  • Average 2021–2026

    38.6 °F

  • Average High 2021–2026

    54.1 °F
Get WillyWeather+ to remove ads