Hamilton Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 44
    • 58

    Chance Rain

    • 49
    • 71

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 49
    • 70

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 27 Apr Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the lower to mid 60s. South wind to 10 Mph.

Tonight 27 Apr Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. South wind to 10 Mph in the evening becoming light.

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Hamilton Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2026

    35.6 °F

  • Average April

    49.1 °F

  • Highest 6 April, 2026

    68 °F

Climate (2021–Present)

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

    59.6 °F
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