Hamilton Weather Forecast

    • 64
    • 90

    Increasing Clouds

    • 65
    • 90

    Mostly Sunny

    • 60
    • 86

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

    • 55
    • 76

    Chance Rain

Today 21 Jul Foothills and Valleys of the North Cascades

Mostly sunny. Patchy smoke. Highs in the upper 80s to mid 90s. Light wind.

Tonight 21 Jul Foothills and Valleys of the North Cascades

Partly cloudy. Lows in the upper 50s to mid 60s. Light wind.

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Hamilton Temperature Statistics

July Temperature

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

  • Lowest 2 July, 2026

    46.4 °F

  • Average July

    61.1 °F

  • Highest 6 July, 2026

    78.8 °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

    51.3 °F

  • Average High 2021–2026

    59.4 °F
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