Hamilton Weather Forecast

    • 57
    • 82

    Partly Sunny

    • 56
    • 75

    Chance Rain

    • 54
    • 73

    Rain Likely

    • 54
    • 76

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

Today 24 Jul Foothills and Valleys of the North Cascades

Mostly sunny. Patchy fog in the morning. Highs in the upper 70s to mid 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 24 Jul Foothills and Valleys of the North Cascades

Partly cloudy. Lows in the mid to upper 50s. West wind around 10 Mph becoming south to 10 Mph after midnight. Gusts to 20 Mph.

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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

    61.7 °F

  • Highest 21 July, 2026

    86 °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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