Hamilton Weather Forecast

    • 51
    • 68

    Chance Rain

    • 50
    • 65

    Chance Rain

    • 49
    • 65

    Chance Rain

    • 51
    • 66

    Chance Rain

    • 50
    • 70

    Slight Chance Rain

    • 51
    • 75

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

Today 29 Jun Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain in the morning. Highs near 70. Light wind.

Tonight 29 Jun Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower to mid 50s. South wind to 10 Mph in the evening becoming light.

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Hamilton Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    42.8 °F

  • Average June

    60.5 °F

  • Highest 24 June, 2026

    84.2 °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

    59.5 °F
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