Lake Cassidy Weather Forecast

    • 56
    • 78

    Slight Chance Rain Showers

    • 55
    • 81

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

Today 21 Jul Downtown Everett / Marysville Area

Sunny. A slight chance of Showers late in the afternoon. Highs in the 70s. Light wind.

Tonight 21 Jul Downtown Everett / Marysville Area

Partly cloudy. A slight chance of Showers in the evening. Lows in the mid to upper 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Cassidy Temperature Statistics

July Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.9 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (7.5 miles)

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

  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.7 °F
Get WillyWeather+ to remove ads