Hamilton Weather Forecast

    • 52
    • 71

    Rain Likely

    • 49
    • 72

    Decreasing Clouds

    • 53
    • 79

    Sunny

    • 56
    • 82

    Mostly Sunny

    • 55
    • 81

    Chance Rain

    • 54
    • 78

    Chance Rain

    • 57
    • 82

    Mostly Sunny

Today 11 Jul Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 11 Jul Foothills and Valleys of the North Cascades

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 50s. Light wind becoming south to 10 Mph after midnight.

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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

    59.9 °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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