Grand Lake Weather Forecast

    • 33
    • 46

    Decreasing Clouds

    • 39
    • 49

    Partly Cloudy

    • 48
    • 59

    Partly Sunny

    • 41
    • 55

    Partly Sunny

    • 35
    • 48

    Chance Rain/Snow

    • 30
    • 41

    Chance Snow

    • 30
    • 40

    Chance Snow

Today 10 May Olympics

Mostly cloudy in the morning then becoming partly sunny. A slight chance of rain early in the afternoon. A chance of rain and snow late in the afternoon. Snow level near 6000 feet. No snow accumulation near hurricane ridge.

Tonight 10 May Olympics

Partly cloudy. A slight chance of rain and snow in the evening. Snow level near 6000 feet. No snow accumulation near hurricane ridge.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

May Temperature

Port Angeles Coast Guard Air Station (16.8 miles)

  • Lowest 7 May, 2026

    45.1 °F

  • Average May

    54.8 °F

  • Highest 3 May, 2026

    74.7 °F

Climate (2021–Present)

Port Angeles Coast Guard Air Station (16.8 miles)

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

  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    54.1 °F
Get WillyWeather+ to remove ads