Hamilton Weather Forecast

    • 44
    • 62

    Increasing Clouds

    • 40
    • 61

    Mostly Cloudy

    • 44
    • 65

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 41
    • 61

    Rain Likely

    • 39
    • 58

    Chance Rain

Today 18 Oct Foothills and Valleys of the North Cascades

Sunny. Highs in the mid 50s to lower 60s. Light wind.

Tonight 18 Oct Foothills and Valleys of the North Cascades

Mostly cloudy. Lows in the upper 30s to mid 40s. Light wind.

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Hamilton Temperature Statistics

October Temperature

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

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    54 °F

  • Highest 2 October, 2026

    69.8 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.3 °F
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