Lower Granite Lake Weather Forecast

    • 56
    • 74

    Increasing Clouds

    • 51
    • 66

    Partly Sunny

    • 44
    • 54

    Breezy

    • 45
    • 55

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 49
    • 60

    Partly Sunny

Today 14 Jun Cascades of Whatcom and Skagit Counties

Sunny. Freezing level near 13000 feet.

Tonight 14 Jun Cascades of Whatcom and Skagit Counties

Mostly clear in the evening then becoming mostly cloudy. Freezing level near 14500 feet.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Granite Lake Temperature Statistics

June Temperature

Arlington Municipal Airport (44.1 miles)

  • Lowest 1 June, 2026

    39.9 °F

  • Average June

    57.2 °F

  • Highest 2 June, 2026

    82.9 °F

Climate (2021–Present)

Arlington Municipal Airport (44.1 miles)

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

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads