Lake McMurray Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 55
    • 77

    Partly Sunny

    • 56
    • 79

    Mostly Cloudy

    • 57
    • 79

    Mostly Cloudy

    • 56
    • 75

    Mostly Cloudy

Today 12 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 12 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake McMurray Temperature Statistics

August Temperature

Arlington Municipal Airport (11.2 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.1 °F

  • Highest 6 August, 2026

    84.9 °F

Climate (2021–2026)

Arlington Municipal Airport (11.2 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