Hamilton Weather Forecast

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    • 52

    Rain

    • 35
    • 49

    Rain

    • 34
    • 52

    Chance Rain/Snow

    • 35
    • 52

    Chance Rain

    • 35
    • 54

    Slight Chance Rain

    • 34
    • 55

    Partly Sunny

Today 27 Oct Foothills and Valleys of the North Cascades

A slight chance of rain Showers in the Morning, then a chance of rain Showers late in the morning. Rain Showers in the afternoon. Patchy fog late in the morning. Rainfall Amounts a quarter to a half inch possible. Highs in the upper 40s to mid 50s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 27 Oct Foothills and Valleys of the North Cascades

Rain Showers likely and a slight chance of Thunderstorms in the Evening, then rain Showers after midnight. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Lows near 40. South wind to 10 Mph. Gusts to 20 Mph in the evening.

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Hamilton Temperature Statistics

October Temperature

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

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    52 °F

  • Highest 16 October, 2026

    71.6 °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

    51.2 °F

  • Average High 2021–2026

    59.2 °F
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