Hamilton Weather Forecast

    • 60
    • 86

    Areas Smoke

    • 60
    • 86

    Sunny

    • 59
    • 85

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

Today 5 Aug Foothills and Valleys of the North Cascades

Sunny. Areas of smoke. Highs in the 80s. Light wind.

Tonight 5 Aug Foothills and Valleys of the North Cascades

Mostly clear. Areas of smoke. Lows in the mid 50s to lower 60s. Light wind.

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Hamilton Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    50 °F

  • Average August

    60.7 °F

  • Highest 3 August, 2026

    71.6 °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

    51.3 °F

  • Average High 2021–2026

    59.3 °F
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