Hamilton Weather Forecast

    • 60
    • 87

    Becoming Sunny

    • 54
    • 83

    Partly Sunny

    • 52
    • 72

    Rain

    • 50
    • 63

    Rain

    • 50
    • 63

    Rain Likely

    • 51
    • 65

    Chance Rain

Today 23 Jun Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid 80s to lower 90s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 23 Jun Foothills and Valleys of the North Cascades

Mostly clear. Lows in the mid to upper 50s. Northwest wind to 10 Mph becoming north after midnight.

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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

    59.8 °F

  • Highest 14 June, 2026

    82.4 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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