Hamilton Weather Forecast

    • 54
    • 78

    Increasing Clouds

    • 54
    • 72

    Rain Likely

    • 51
    • 69

    Rain Likely

    • 49
    • 67

    Chance Rain

    • 49
    • 69

    Partly Sunny

    • 51
    • 71

    Chance Rain

    • 51
    • 67

    Chance Rain

Today 26 Aug Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 26 Aug Foothills and Valleys of the North Cascades

Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid to upper 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Temperature Statistics

August Temperature

Burlington/Mount Vernon, Skagit Regional Airport (19.9 miles)

  • Lowest 3 August, 2026

    50 °F

  • Average August

    62.7 °F

  • Highest 6 August, 2026

    82.4 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (19.9 miles)

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

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.3 °F
Get WillyWeather+ to remove ads